• Answer Key for Biomes Review Sheet

    1. Tundra

    2. Temperate Decidious Forest

    3. Desert

    4. Tropical Rain Forest

    5. Temperate Decidious Forest

    6. Tundra

    7. Grasslands

    8. Taiga

    9. Desert


    11.Temperate Decidious Forest


    13.Tropical Rain Forest

    14.Tropical Rain Forest


    16.Temperate Decidious Forest





    21.Tropical Rain Forest






    27.Tropical Rain Forest



    30.Temperate Decidious Forest 



    Answer Key for Basic/General Ecology Review Sheet

    1. Draw a triangle with base at bottom.  From top to bottom of pyramid: (very top) snake, bird, grasshopper, grass (very bottom)

    2. Biotic is living organisms; abiotic is the non-living environment

    3. ecological succession

    4. Things that eat it will also decrease due to lack of food; Things it eats will increase due to less things eating them

    5. ecological succession

    6. carnivores

    7. O2

    8. CO2

    9. Draw a triangle with base at bottom.  From top to bottom of pyramid: tertiary consumer, secondary consumer, primary consumer, producers (autotrophs)

    10. At the very bottom layer (producers)

    11. At the very bottom layer (the producers)

    12.This is the graph that shows a line increasing and then going up and down around the carrying capacity.  Check your notes and packets.

    13. sun

    14. Decrease; energy is lost as heat

    15. decreases

    16. stability increases

    17. True

    18. limiting

    19. carrying capacity

    20. decomposers(recyclers)

    21. eat the same food: eat different food

    22. Compete for space or water

    23. plenty of food so no competition or are eating on different parts of the island

    24. bacteria and fungi

    25. autotophs make their own food (plants); heterotrophs cannot make their own food so they eat things (animals); consumers - eat other things (animals)

    26. Predators hunt and kill food; Prey are the food; Ex: Predator: coyote Prey: rabbit

    27. Herbivores - plants eaters; Carnivores - meat eaters; Omnivores - eat both plants and animals;  Ex: Herbivore - deer; Carnivore - Frog; Omnivore - none in this food web

    28. Eats animals killed by other animals

    29. heat

    30. grass, shrubs, pine forest, hardwood forest

    31. ecosystems

    32. population, ecosystem, biospere (smallest to largest)

    33. hardwood forest (final stage)

    34. energy!!

    35. the role an organism plays in its environment, (what does it eat? where does it live? etc.)

    36. competition (fighting)

    37. increases

    38. becomes more stable

    39. habitat; niches

    40. carrying capacity

    41. climax community

    42. tundra

    43. temperate deciduous forest

    44. desert

    45. tropical rain forest

    46. Look at your packets

    47. parasitism; one benefits and one is harmed (+,-)  Commensalism: one benefits and one is unaffected (+,0)  Mutualism: both benefit (+,+)

    48. True

    49. THE MOST

    50. True

    51. True

    52. Some individuals will die

    53. years

    54. energy flow

    55. things that limit (impede) the growth of a population





    Answer Key for Evolution Review Sheet

    1. has short reproductive cycles and short life cycles

    2. they share a more recent common ancestor (the branch is closest to present day time)

    3. structural (what they look like), fossils, Molecular: Comparing DNA, proteins, amino acid sequences, enzymes, etc.

    4. Any of the molecular ones

    5. traits that give the individual an advantage to survive will be passed onto their offspring

    6. The environment (NATURE) selects the individuals with the best variations (adaptations) that help them  to survive, reproduce, and pass their genes and variations onto their offspring. 

    7. variations

    8. there would be no variations and all individuals could die off and become extinct

    9. when it branches off to a dead end, it did not adapt to its environment

    10. if the environment changed, the color of a species could change over time

    11. food

    12. survival of the fittest

    13. they cannot get enough resources like food and they die off because they did not adapt to their environment

    14. the individuals with these characteristics do not survive long enough to reproduce and pass their genes onto their offspring

    15. limited resources tend to speed up evolutionary change

    16. simple, single-celled organisms (B)

    17. Some species are better adapted and have variations that allow them to get resources and survive to reproduce

    18. Always start at step one and proceed until you get to a name

    19. Any bird that eats the same thing, mainly animal,  as a small tree finch (Large tree finch, Woodpecker finch): they eat different food

    First organism and the third organism

    20. Extinctions are dead ends, common ancestors are where the lines intersect, most closely related have more recent common ancestor

    21. extinct

    22. evolution

    23. acquired characteristics

    24. fast; changing

    25. increase

    26. simple, aquatic

    27. vestigial structures

    28. evidence

    29. variations

    30. common ancestor

    31. adapted

    32. resistant

    33. most

    34. most

    35. meiosis and mutations

    36. the ones with the most groups in common starting with Kingdom and working down to smaller groups

    37. Before the industrial revolution, the trees were light so light moths blended into the background and were not eaten therefore most of the population was light colored -- After the industrial revolution, the trees became dark and the dark moths blended into the background and were not eaten so the population switched to mostly dark moths

    38. the ones with the MOST similar amino acid sequences are most closely related

    39. the ones with the MOST recent common ancestor are the most closely related

    40. Some bacteria have a variation that makes them resistant to antibiotic. This variation is a favorable adaptation because it helps these bacteria survive. The other ones die. The ones with this variation survive, reproduce, and pass the genes for the resistance onto their offpsring.  Now their offspring are resistant too and are not affected by the antibiotic.

    41. there is plenty of food

    42. they might compete for shelter or water



    LER+ Answer Key to Applied Genetics Review Sheet

    1. Restriction enzymes

    2. genetic engineering

    3. environment (surroundings)

    4. mutation

    5. A - C- B- D

    6. they use different parts (genes) of the DNA

    7. replicate

    8. nucleus

    9. selective breeding

    10. DNA; proteins

    11. insulin and other hormones or proteins

    12. amino acids; shape

    13. mutations; changes in the base sequences (nucelotides)

    14. insertion

    15. ovaries, testes; sperm, egg

    16. TRUE

    17. enzymes

    18. bases/nucelotides

    19. selective

    20. replication

    21. amino acids, order/sequence

    22. U (Uracil)

    23. transfer amino acids to ribosome

    24. make this one mRNA so answer is carries the message (genetic code) to the ribosomes

    25. makes up the ribosome and is the site of protein synthesis

    26. DNA

    27. proteins

    28. outbreeding

    29. inbreeding

    30. UGA

    31. GGA TGA CCG

    32. CUG AAU

    33. protein; protein

    34. crossing over

    35. linked

    36. recombinant DNA (rDNA)

    37. karyotype

    38. circle of DNA and line of DNA, fusing together, put into a bacterial host cell

    39. transcription

    40. anticodon

    41. codon

    42. Look at the picture we drew in class and copy and label it.

    43. See your packet!

    44. change shape, change function, stop working

    45. solve a crime, see how closely related organisms are, paternity test

    46. See packet.

    47. environment (surroundings)

    48. cheap source of medicine like insulin

    49. electricity

    50. 30%

    51. farthest away from the well, they are smaller and travel faster through the gel

    52. 3

    53. see packet

    54. gel electrophoresis (DNA Fingerprinting)


    LER+ Answer Key to Basic Genetics Review Sheet


    1. AA and Aa
    2. Homozygous dominant, Heterozygous, and homozygous recessive
    3. 2
    4. Incomplete dominance
    5. Red 0%  White 0%  Pink 100%
    6. 100% tall  0 % short
    7. 25% red  25% white  50% roan
    8. 0% A  50% B  0% AB  50% O
    9. A and B are dominant, O is recessive
    10. ATCG
    11. A sugar, phosphate, and base = 1 nucleotide.
    12. Uracil
    13. Males have only one X chromosome
    14. X
    15. Mother
    16. X, Y
    17. X, X
    18. X’ X
    19. Y
    20. 50% sons will have hemophilia, 0% daughters will have hemophilia
    21. T, G
    22. AATGTAC
    23. Gene, chromosome, nucleus, cell
    24. Alleles control the same trait and are usually the same letter, non-alleles control different traits and are usually different letters
    25. A, AB, O, A, B, B
    26. Stronger gene, weaker gene, the actual genes, the physical appearance
    27. Look at your notes.  We did this before.
    28. EX: T: tall   t: short  HR = tt  HD = TT  Het = Tt
    29. TT would be tall, tt would be short, Tt would be tall

    Answer Key for Reproduction & Development Review Sheet LER+


    1. Look at your notes and your worksheet packet!
    2. Scrotum
    3. Gland secretions and sperm
    4. Ovulation
    5. Oviduct (Fallopian tubes)
    6. 28
    7. Yes, no, no
    8. zygote
    9. oviduct or Fallopian tube
    10. menopause
    11. uterus
    12. testosterone
    13. testes
    14. sperm from exiting the body
    15. estrogen, progesterone, eggs
    16. ovary
    17. uterus
    18. estrogen and progesterone
    19. testes& ovaries
    20. 3 glands
    21. Oviduct or Fallopian tube
    22. Uterus
    23. Fish
    24. Cooler temperature
    25. Ovary; testes
    26. ONLY 1
    27. 2 eggs are released and each egg is fertilized by one sperm; the zygote splits in half and each half develops into a baby
    28. Humans!
    29. External fertilization; external development
    30. Mitosis (cleavage)
    31. Mesoderm
    32. Identical
    33. Differentiation
    34. Sperm and egg (gametes)
    35. Placenta
    36. No
    37. True
    38. Meiosis
    39. Fertilization
    40. Mitosis and differentiation
    41. Internal fertilization; internal development
    42. 25
    43. Mitosis
    44. Diffusion
    45. Placenta
    46. Meiosis, fertilization, mitosis
    47. The cells use different parts of the DNA ( use different genes)
    48. Gamete production, fertilization, mitosis, differentiation
    49. Fertilization
    50. Inner part of horseshoe is the endoderm, the outer part of the horseshoe is the ectoderm and the part in the middle is the mesoderm Mesoderm forms the middle layer; ectoderm forms the outer layer; endoderm forms the inner layer
    51. Cervix
    52. The placenta
    53. Belly button or navel
    54. To support the fetus, where the fetus develops
    55. Located in the uterus (check your notes and worksheets for diagram) and it is where food, oxygen, and wastes are exchanged between the mother and baby.  The blood does NOT mix!
    56. Tobacco causes low birth weight
    57. Placenta
    58. DIFFUSION through the placenta
    59. Tobacco causes low birth weight
    60. Fertilization restores the normal chromosome number.  (restores a full set of chromosomes)
    61. Meiosis cuts the chromosome # in half 



    LER+ Answer Key for Mitosis & Meiosis Review Sheet


    1. Yes, yes
    2. asexual 
    3. identical; new; identical; new; identical; new
    4. 23
    5. 12
    6. identical; asexual; mitosis; yes
    7. one; the mother
    8. DNA or hereditary material
    9. DNA; body
    10. asexual; identical
    11. variation
    12. half
    13. sperm and egg
    14. mitosis; body
    15. meiosis; meiosis; mitosis
    16. half
    17. tumors
    18. mitosis
    19. mitosis
    20. meiosis
    21. egg; sperm
    22. replication
    23. ovaries; testes
    24. 10
    25. true
    26. 24
    27. true
    28. true
    29. true
    30. false
    31. zygote; complete
    32. two; different
    33. the same
    34. half
    35. 4; 8
    36. polar bodies
    37. ovary; testes
    38. egg or ovum (ova); should say male gamete on review sheet instead of gonad so sperm
    39. N; 2N; 2N; N
    40. same; same
    41. different; different
    42. 23
    43. NO
    44. 15
    45. The amount is cut in half!
    46. The amount is restored to the normal full amount and is a COMPLETE SET!
    47. half
    48. Each circle should have ONE triangle, ONE moon, and ONE cross!!


    Answer Key for Regulation Review Sheet

    1. disease or death

    2. feedback mechanism

    3. Should be gentle between the two barrier lines

    4. receptors

    5. keep internal body environment within its normal range

    6. glucose (sugar)

    7. Butterfly pictures (feedback mechanism)

    8. dynamic equilibrium or homeostasis

    9. receptor molecules; hormone

    10. Receptor molecules have matching shapes to the hormone or neurotransmitter

    11. the target cell will not respond with the appropriate action

    12. receptor; shape

    13. chemical (neurotransmitter)

    14. hormones; homeostasis

    15. receptor molecules

    16. stimulus; response

    17. interneurons

    18. endocrine

    19. Receptor--> Sensory neuron --> interneuron --> motor neuron --> effector

    20. receptors; stimuli

    21. sensory neurons

    22. regulation

    23. hormones; circulatory (blood)

    24. cerebrum

    25. cerebellum



    Answer Key for 2nd Quarter 10 week test

    Cellular respiration

    1. glucose

    2. decrease, increase

    3. glucose (chemical bond energy)

    4. CO2

    5. ATP

    6. Cellular respiration

    7. GLucose, O2

    8. Digestive, Respiratory


    1. break down substances so they are small enough to enter cells

    2. big

    3. amino acids

    4. simple sugars

    5. smaller

    6. True

    7. broken down; simple sugars or glucose

    8. large intestine

    9. peristalsis

    10. mouth



    1. one leaving lungs

    2. increase

    3. circulatory

    4. red blood cell

    5. transport materials throughout the body

    6. to make antibodies or to fight infection or to protect the body from invaders



    1. decrease or suppress

    2. to protect the body from invaders and infection

    3. antibodies

    4. white blood cell

    5. antigens

    6. antibodies

    7. specific

    8. antigens

    9. antigens

    10. dead or weakened pathogen (virus)

    11. receptors

    12. allergic reaction, allergy

    13. receptor

    14. makes antibodies

    15. antibodies have a specific shape and only fit and attack one matching antigen


    1. alveoli

    2. take in oxygen and release CO2 (exchange of respiratory gases)

    3. CO2


    1. removal of dangerous cellular waste products

    2. decrease

    3. cell membrane (plasma membrane)

    4. urea

    Making Connections Lab

    1. lower

    2. As activity increases, pulse rate increases

    3. fatigue

    4. respiratory and circulatory

    5. respiratory and circulatory

    6. control

    7. O2

    8. 75

    9. 76

    10. Pulse rate goes up whenever activity goes up, and pulse rate goes down whenever activity goes down

    Answer Key for Circulation & Immunity Review Sheet


    1. Blood, blood vessels, heart
    2. Arteries
    3. Veins
    4. Arteries
    5. Capillaries
    6. Arteries
    7. 4
    8. Ventricles; pump blood
    9. Atrium; receive blood
    10. Platelets
    11. Red blood cells
    12. HIV; Immune system
    13. Antigen
    14. Look at heart diagram worksheets in notes and packet (page3,4,5 ).(Left ventricle is the answer to the question I asked)
    15.  Antibodies
    16. Look at your heart diagram worksheets in notes and packet (page3,4,5).
    17. Oxygenated
    18. Engulf and digest
    19. Valves opening and closing
    20. Anemia- blood does not have enough hemoglobin or iron or red blood cells; High blood pressure- pressure in arteries is too high; leukemia- cancer of white blood cells
    21. Bacteria, virus
    22. Skin, mucus, saliva, tears, sweat, etc.
    23. True
    24. Self- loves; Non-self- hates 


    Blood type

    Antigens (proteins) on surface of RBC’s

    Antibodies present at BIRTH!!








    A and B




    Anti-A and Anti-B


    Blood type of person getting the transfusion

    Type(s) of blood they can safely receive









    1. O-





    Blood type


    No clump



    No clump


    No clump


    No clump

    No clump

    No clump






    1. Active immunity-when your body is exposed to a pathogen and makes its own antibodies against it to fight; Allergies- when your body attacks harmless substances; Autoimmune disease-when your body attacks itself; Passive immunity-when you inject antibodies from someone else to fight

    30.Look at your heart worksheet diagrams in your notes and packet (page3,4,5).

    31.Look at your heart worksheet diagrams in your notes and packet (page3,4,5).

    1. Look at your notes for picture of blood. Red blood cells-carry oxygen; White blood cells-fights infection; platelets-blood clotting

    33.Dead or weakened pathogen

    34.Makes antibodies

    35.Antibodies have a specific shape and only fit one antigen


    37.They have specific shapes that fit together 


     Answer Key for Digestion Review Sheet


    1. Mouth
    2. Epiglottis
    3. Esophagus, stomach, small intestine, large intestine, rectum, anus
    4. Peristalsis
    5. Liver; gall bladder
    6. Reabsorb water
    7. Vomiting
    8. Chemical
    9. Stomach
    10. Enter
    11. Mouth; small intestine
    12. Stomach
    13. Pancreas
    14. Small intestine
    15. Small intestine
    16. Large intestine
    17. Stomach
    18. Ingestion, digestion, egestion
    19. Salivary amylase
    20. 2
    21. Big
    22. Amino acids
    23. Simple sugars
    24. Small
    25. Simple sugars
    26. Look at the worksheet in your packet (page 1).
    27. You choke
    28. So that food can enter your cells
    29. Ingestion
    30. Egestion
    31. Digestion
    32. Amino acids
    33. Simple sugars
    34. Ulcers
    35. Constipation
    36. Diarrhea
    37. Appendicitis 

    Answer Key for Cellular Respiration Review Sheet


    1. Glucose + O2 --> CO2 + ATP + H2O
    2. ATP
    3. Glycolysis
    4. Aerobic cellular respiration
    5. Yes
    6. Anaerobic
    7. Mitochondria
    8. Glycolysis
    9. Glucose
    10. Aerobic cellular respiration
    11. ATP
    12. Lactic acid (waste products)
    13. A lot
    14. CO2
    15. CO2
    16. CO2
    17. Cellular respiration
    18. Yes
    19. Yes
    20. ATP
    21. Cellular respiration
    22. Fermentation
    23. 3; 2
    24. ADP
    25. Aerobic cellular respiration
    26. Glycolysis, Kreb’s cycle, ETC
    27. Look at cellular respiration worksheet (page 2 in packet).
    28. Look at steps of cellular respiration worksheet (page 1 in packet).
    29. ATP
    30. Glucose, O2

    NOTE: Remember that energy is stored in the chemical bonds of ORGANIC compounds! (food: all food)

    Answer Key for 10 week Test First Quarter

    1. Drug K will lower cholesterol levels.

    2. Drug K

    3. cholesterol levels

    4. cholesterol levels

    5. Control will not receive Drug K, the experimental group will receive Drug K

    6. People who took Drug K had cholesterol levels lower by 20% and people who did not take Drug K had cholesterol levels stay the same

    7. experimental, control

    8. more valid

    9. 1

    10. is

    11. low to high

    12. make proteins

    13. controls what goes in and out of cell

    14. site of photosynthesis

    15. site of cellular respiration, makes ATP, Makes energy

    16. storage

    17. cell walls and chloroplasts

    18. Draw a plant cell and Label the outermost part of plant cell as cell wall and the numerous organelles the chloroplasts

    19. cell, tissue, organ, organ system, organism

    20. Organism, organ system, organ, tissue, cell

    21. tissue

    22.Draw a picture of an enzyme putting two substrates together.  Draw a picture of an enzyme breaking down a substrate.

    23. B

    24. C

    25. A

    26. Draw one like in your notes. sugar shack, pool, and basketball court

    27. denature

    28. decrease

    29. enzymes have specific shapes and only fit one substrate

    30. chloroplast

    31. O2

    32. CO2, H2O, sun

    33. glucose

    34. energy source for cellular respiration

    35. photosynthesis

    36. chloroplast

    37. O2

    38. organic

    39. coarse, low

    40. read at the bottom of the curve in a graduated cylinder and subtract any #'s before the object

    41. glucose

    42. diffusion

    43. water

    44. shrink, draw cells doing this

    45. grow, draw cells doing this

    46. place a paper towel on one side of coverslip and add stain or salt water to opposite side of coverslip.

    47. to make things more visible and easier to see

    48. air bubbles

    49. nucleus

    50. iodine

    51. coarse adjustment

    52. molecules move from areas of high concentration to areas of low concentration

    53. size

    54. Draw the picture. Before: G and S inside bag and I in beaker  After: G, S, and I are inside bag and I and G are in the beaker.

    55. Turn your paper upside down, draw it, and turn it back the right way, that's what microscopes do, turn things upside down and backwards


    Answer Key for Photosynthesis Review Sheet


    1. CO2 + H2O + sunlight à O2 + glucose
    2. sun to glucose
    3. An organism that can make its own food, photosynthetic organism, plant
    4. Autotrophs
    5. Blue; all other colors except blue
    6. Pigments
    7. CO2, H2O, sunlight
    8. NADP
    9. Yes; yes
    10. Melvin Calvin
    11. ATP, NADPH, O2
    12. ATP from the light reactions
    13. Dark
    14. Chloroplast
    15. CO2
    16. O2
    17. Glucose
    18. Starch
    19. No; yes
    20. Photosynthesis
    21. Chloroplasts in leaves
    22. photosynthesis
    23. Organic – glucose; Inorganic – CO2, H2O
    24. Sun
    25. Photosynthesis
    26. Photosynthesis
    27. O2
    28. Photosynthesis
    29. Photosynthesis; glucose
    30. ROY G BIV
    31. Heterotroph
    32. Look at your worksheet (page 2 in packet).
    33. Look at your worksheet ( page 3 in packet). 
    34. water
    35. organic; food; sugar; carbohydrate
    36. gas
    37. food
    38. gases & water

    Answer Key for Cell Review Sheet

    1. Cell wall
    2. Yes
    3. Yes
    4. No
    5. Cell, tissue, organ, organ system
    6. Cells
    7. Organelles
    8. Storage
    9. Energy, ATP
    10. mitochondria, provides energy- ATP
    11. D (notice it’s distinct and weird shape)
    12. Organelles
    13. High; Low
    14. Site of photosynthesis, make sugar
    15. Protein synthesis (make proteins)
    16. Controls what goes in and out of cells, maintains homeostasis, excretion, respiration, nutrition (acts like human lungs, kidneys)
    17. Nucleus
    18. Site of cellular respiration; makes ATP, energy
    19. Transport within cells
    20. Packages and stores proteins for secretion
    21. Jelly-like substance that fills the cells and surrounds the organelles, most cell activities take place here, also internal transport
    22. Cell walls and chloroplasts
    23. Move
    24. energy
    25. Big; small
    26. ribosomes
    27. mitochondria
    28. no
    29. cell membrane
    30. cell membrane
    31. nucleus
    32. cell walls
    33. nucleus
    34. true
    35. water
    36. Eukaryotic
    37. Prokayrotic
    38. Eukaryotic                                                                                                                                                                         Drawings: Animal hypertonic- shrink, animal hypotonic - grow and explode, Animal isotonic - same, Plant Hypertonic - shrink into a little circle, Plant hypotonic - insides shrink, Plant isotonic - same     
    39. salt water
    40. Distilled water, tap water, or fresh water
    41. salt water
    42. Plant cell in salt water will have the cell wall stay the same but the insides will shrink with small circle in the center.
    43. diffusion
    44. active transport
    45. Hearts will all be on the left side, 3 circles will be on each side

    For Animal and Plant Cell Labels:

    Plant Cell: (top one)  A: vacuole   B: chloroplast  C: mitochondria  D: Cell wall  E: Golgi body   F: Endoplasmic reticulum

    Animal Cell: (bottom one)  A: mitochondria   B: Cell Membrane (plasma membrane)  C: endoplasmic reticulum    D: Nucleus   E: Ribosome     F: Golgi body

    47. triangles

    Answer Key to Biochemistry Review Sheet LER+

    1. If the compound contains BOTH C and H, then it is organic.  Cl is not C!!
    2. Simple sugars
    3. They denature (lose their shape) and stop working.
    4. Enzyme
    5. Enzymes
    6. They have specific shapes.
    7. Yes
    8. 0 to 7 Acidic;  7 to 14 Basic;  7 neutral
    9. Carbohydrates
    10. Water
    11. Amino acids
    12. The highest point (rate) on the graph
    13. Amino acids
    14. Enzyme M has a specific shape and only fits one substance.
    15. Simple sugars
    16. The enzyme looks the same before and after the reaction.
    17. Function (job)
    18. Staying the same
    19. Enzymes
    20. Enzymes; amino acids
    21. Rate (speed)
    22. Shape
    23. The circle is the phosphate, the pentagon is the sugar and the rectangle is the base.  (Look at your note drawing)
    24. The enzyme is the shape that looks the same before and after the reaction.  The substrate is what is going to bind to the enzyme on the left side of the reaction.  The product is what the enzyme releases on the right side of the reaction.  The substrate-enzyme complex is in the middle where the substrate and enzyme are combined in a complex. (Look at your notes for the pictures like this one)
    25. Monosaccharides have ONE ring.  Disaccharides have TWO rings.  Polysaccharides have MANY rings.
    26. A nucleotide has one phosphate, one sugar, and one base.  (Look at your notes where we did this)
    27. You can count how many sugars are in the DNA, this will be equal to the number of nucleotides.  You could also count how many phosphates are in the DNA, this will also equal the number of nucleotides.  You could also count how many bases are in the DNA, this will also equal the number of nucleotides.  (Look at your notes where we did this)
    28. Carbohydrates
    29. Proteins
    30. Lipids (Fats)
    31. RNA only
    32. DNA only
    33. RNA only
    34. Both DNA and RNA


    Answer Key for LER+ Scientific Method Review Sheet

    1. Biology
    2. Homeostasis
    3. Hypothesis
    4. Cells
    5. Dependent
    6. Control
    7. Varies: ex: A dog catches a ball you throw to it.
    8. Same
    9. Control
    10. A large number of test subjects
    11. Yes
    12. One
    13. Reproduction
    14. True
    15. Use more test subjects or Larger sample size
    16. No
    17. Independent
    18. Living has the characteristics of life, non living does not
    19. DI (Y axis is dependent and X axis is independent)
    20. large
    21. Height
    22. Use more test subjects
    23. Example of experiment: Drug EFG will lower blood sugar levels   Hypothesis: Drug EFG will lower blood sugar levels.
    24. The control group will not get Drug EFG and the experimental group will get Drug EFG.
    25. Independent is Drug EFG; Dependent is blood sugar level
    26. Diet, exercise
    27. Blood sugar level
    28. People who got EFG lowered their blood sugar levels and the people who did not get EFG had their blood sugar levels stay the same.   OR   The experimental group lowered their blood sugar levels and the control group did not.
    29. MORE VALID



    Answer Key for Human Ecology Review Sheet

    1. CO2

    2. decreased

    3. True

    4. CO2

    5. True

    6. grows rapidly

    7. decreases

    8. benefits

    9. habitat

    10. decrease

    11. decrease

    12. recycle

    13. recycling

    14. False

    15. can only be used once, limited amount: ex: coal, oil, gas

    16. Unlimited amount, can be replenished: ex: sun, water, wind

    17. # of species in a given area

    18. high

    19. resources that are used up and finished, can only be used once, non-renewable: ex: coal, oil, gas

    20. resources that are not used up, can be replenished: sun, water, wind

    21. it will decrease or die off, Species A will grow rapidly and outcompete species A

    22. UV radiation reaching earth and skin cancer has increased

    23. makes it less stable

    24. yes

    25. creates jobs

    26. it destroys habitats

    27. decreases

    28. burning fossil fuels, driving cars

    29. global warming

    30. they take in large amounts of CO2 from the atmosphere

    31. cutting down trees means the trees are not taking in CO2 from the atmosphere, this increase in CO2 leads to global warming

    32. natural predators; resources

    33. limiting

    34. population growth








    Answer Key for Respiratory and Excretion Review Sheet
    1. alveoli
    2. nasal cavity
    3. diaphragm
    4. larynx
    5. O2
    6. trachea
    7. diffusion
    8. CO2
    9. moist
    10. to cool off
    11. CO2
    12. Small
    13. Both good and bad things
    14. liver
    15. kidney
    16. asthma
    17. lung cancer 
    18. bronchitis
    19.  pneumonia
    20. emphysema
    21. Look at your notes.  Sketch and label it on your review sheet.
    22. kidney
    23. Look at your notes.  Sketch and label it on your review sheet.
    24. Filtration
    25. Reabsorption
    26. to the outside of the body 
    27. water, salt, urea
    28. Hepatitis
    29. Gout
    30. Cirrhosis
    31. Kidney stones 










    Answer Key for LER+ Human Ecology Review Sheet
    1.  humans have the ability to modify using technology
    2.  true
    3.  renewable, little
    4.  top level
    5.  increase in skin cancer due to more UV radiation reaching the earth
    6.  renewable
    7.  benefits
    8.  air
    9.  chemicals
    10. no natural predators
    11. global warming
    12. the # of species in an area
    13. decreases
    14. a non-renewable resource, can only be used once
    15. use renewable resources instead
    16. habitats
    17. CO2
    18. also lost
    19. habitats
    20. limiting
    21. habitats
    22. energy source, producer, recycler
    23. altitude
    24. sunlight and amount of O2
    25. population growth
    26. pros and cons, costs and benefits
    27. radioactive wastes
    28. burning fossil fuels, driving cars
    29. global warming, rising sea levels, melting ice caps
    30. destroys habitats
    31. creates jobs
    32. predators
    33. driving tractors
    34. cellular respiration
    35. photosynthesis
    36. burning fossil fuels, driving cars
    37. CO2
    38. rising temperatures, rising sea levels, melting ice caps
    39. solar or wind
    40. does not produce CO2 and does not lead to global warming, less harmful to the environment 

    Answer Key for General Ecology Review Sheet


    1. In a pyramid of energy, the producers go on the bottom, the primary consumers are next above them, the secondary consumers are next above the primary consumers and the tertiary consumers are on the top.
    2. Biotic is living and abiotic is non-living
    3. Ecological succession
    4. Anything that eats it will decrease and anything that gets eaten by it will increase
    5. Ecological succession
    6. Carnivores (predators)
    7. Oxygen
    8. Carbon dioxide
    9. See answer #1 above
    10. At the bottom; producers (plants)
    11. At the bottom
    12. Look at your notes and worksheet packets.  It is the when the line levels off.
    13. Sun
    14. Energy levels decrease as energy is lost
    15. They get smaller
    16. It becomes more stable
    17. True
    18. Limiting
    19. Carrying capacity
    20. Decomposers
    21. Eat the same food; eat different food
    22. Fungi and bacteria
    23. Autotrophs make their own food- plants; Heterotrophs cannot make their own food and need to eat other things – animals
    24. Predators kill and eat other animals- the secondary and tertiary consumers; prey are eaten by other animals – primary consumers and sometimes secondary consumers
    25. Herbivores are plant eaters; carnivores are meat eaters; omnivores eat both plants and animals.
    26. Heat
    27. Rocks à shrubs à pine trees à hardwood trees
    28. Ecosystem
    29. Populations are all living things; ecosystem includes all populations plus the environment; biosphere is all parts of earth that contain life
    30. The last stage is most stable (climax community)
    31. Sunlight
    32. Altitude
    33. Energy
    34. They will compete (fight for food) and one may eliminate the other
    35. A population is all members of the same species in an area
    36. Abiotic things are non-living like water, rocks, oxygen, etc.
    37. A community is made up of ALL living species in an area so you would need to name anything that is living!!
    38. In increases
    39. It becomes more stable
    40. Habitat; niche
    41. Carrying capacity
    42. Climax community
    43. Tundra
    44. Temperate deciduous
    45. Desert
    46. Tropical rain forest
    47. Look over your worksheet packets pages 7-12
    48. Predators eat the prey
    49. Parasitism is when one species benefits but the other is harmed (+,-); commensalism is when one species benefits and the other is unaffected (+,0); mutualism is when both species benefit (+,+)
    50. Producers (plants)
    51. Look at your worksheet packet page 3
    52. Pick one that eats both plants and animals
    53. Look at answer #4 above
    54. They eat different food and occupy different niches
    55. Look at worksheet packet page 4. 


Last Modified on May 23, 2020