Final Exam Review - Christine Murphy's Sitecmurphyfhs.weebly.com/uploads/3/9/8/3/39837279/bio... · Final Exam Review True/False Indicate whether the statement is true or false. ____

Final Exam Review

True/False Indicate whether the statement is true or false.

____ 1. Living things are formed from carbon-containing molecules, so the carbon cycle is the

only biogeochemical cycle that really affects humans.

____ 2. Some plants have bacteria living in nodules on their roots that “fix” atmospheric

nitrogen, converting it to a form of nitrogen the plant can use. Because living

organisms (bacteria) are involved in the process, nitrogen availability is a biotic factor

for the plant.

____ 3. The biotic factors that affect an organism include other species in that organism’s

community.

____ 4. Large volumes of atmospheric dust, such as those from massive volcanic eruptions, do

not affect food webs because they do not affect the energy output of the Sun, the

ultimate source of energy for food webs.

____ 5. All the biogeochemical cycles involve both biotic and abiotic reservoirs.

____ 6. An element is a pure substance that cannot be broken down into other substances by

physical or chemical means.

____ 7. If a neutral atom contains 18 protons, it also contains 18 electrons.

____ 8. An ionic bond is formed when two atoms share electrons.

____ 9. A chemical reaction is the process by which atoms or groups of atoms in substances

are reorganized into different substances.

Multiple Choice Identify the choice that best completes the statement or answers the question.

____10. Cougars are predators that often eat weakened or diseased animals. This is a

description of the ____ of cougars.

a. habitat c. niche

b. community d. none of these

Figure 2-1

____11. Referring to Figure 2-1, suppose 10, 000 units of energy are available at the level of

the grasses. What is the total number of energy units lost by the time energy reaches

the coyote?

a. 90 units c. 9900 units

b. 990 units d. 9990 units

____12. Referring to Figure 2-1, the coyotes would be considered ____.

a. herbivores c. second-level consumers

b. third-level consumers d. decomposers

Figure 2-2

____13. The group of animals in Figure 2-2 is an example of what?

a. community c. population

b. ecosystem d. biosphere

Figure 2-3

____14. In the energy pyramid shown in Figure 2-3, which level has the smallest number of

organisms?

a. fox c. grasshoppers

b. birds d. grass

____15. Which of the following is the ultimate source of energy for the pyramid in Figure 2-3?

a. grass c. sunlight

b. heat d. water

flea

Figure 2-4

____16. The organism shown in Figure 2-4 is involved in which type of symbiosis?

a. mutualism c. parasitism

b. commensalism d. predation

____17. Which of the following information could be included in the description of a

grasshopper’s niche, but not in a description of its habitat?

a. continent where it lives c. plant species it eats

b. locations where it shelters d. temperatures it experiences

____18. How long are food chains?

a. four steps long c. it varies with day length

b. three steps long d. it varies with ecosystem

____19. Which process describes nitrogen fixation?

a. animals eat plants containing nitrogen and return it to the soil through

urination

b. bacteria take nitrogen from the air and convert it to a form usable by

plants

c. organisms die and are decomposed into ammonia in the soil

d. plants take nitrogen from the air and store it in their roots

____20. Which biogeochemical cycle is least dependent on biotic processes?

a. carbon c. phosphorus

b. nitrogen d. water

____21. What type of succession is most likely to happen in Figure 3-2?

Figure 3-2

a. primary

b. secondary

c. tertiary

d. climax

____22. At which stage in Figure 3-3 are the most pioneer species found?

Figure 3-3

a. A c. C

b. B d. D

Figure 3-4

____23. Look at the graph in Figure 3-4. What does this graph tell us about this species of

plant?

a. Too much sunlight can hurt them.

b. They thrive in a lot of sun.

c. Heat is damaging to them.

d. They need plenty of water.

____24. If precipitation on a tropical savanna increased from 100 to 200 centimeters per year

but temperature remained the same, what biome would replace the savanna?

a. tropical rain forest c. tropical seasonal forest

b. temperate forest d. temperate rain forest

____25. Compare primary and secondary succession. What is the distinction between them?

a. Primary succession is the sequence of species that become established

early in a newly colonized area, and secondary succession is the

sequence of species that move in later.

b. Primary succession is the establishment of a community in an area

with no soil, while secondary succession is the establishment of a new

community in an existing ecosystem that was disturbed.

c. Primary succession is the establishment of a new community in an

existing ecosystem that was disturbed, while secondary succession is

the establishment of a community in an area with no soil.

d. Primary succession is the sequence of plants that colonize a new area,

while secondary succession is the sequence of animals that move in

later.

____26. ____ represents a formula for a chemical compound.

a. H c. P

b. C d. H2O

____27. Which particle in the nucleus of an atom has a neutral charge?

a. carbon c. neutron

b. electron d. proton

____28. Which is an example of a chemical reaction?

a. ice melting c. sugar dissolving in water

b. iron rusting d. water evaporating

____29. Which property is responsible for the fact that water and oil do not mix?

a. density c. phase

b. mass d. polarity

____30. Which element is found in proteins but not carbohydrates or lipids?

a. C c. N

b. H d. O

____31. In humans and other multicellular organisms, which substance plays a central role as

an energy source?

a. carbohydrate c. protein

b. fat d. water

____32. Glycogen, used to store energy in the liver and muscle tissue, is an example of which

type of molecule?

a. carbohydrate c. saturated fatty acid

b. protein d. steroid

____33. Amino acids are the building blocks of which macromolecule?

a. carbohydrate c. lipid

b. DNA d. protein

____34. An organism’s genetic information is stored in which type of macromolecule?

a. DNA c. lipid

b. carbohydrate d. protein

Figure 7-3

____35. What is the approximate size of A in Figure 7-3?

a. 400 m c. 700 m

b. 500 m d. 1000 m

____36. What is the approximate size of B in Figure 7-3?

a. 400 m c. 700 m

b. 500 m d. 1000 m

Figure 7-4

____37. What would happen to the structure in Figure 7-4 if part D is completely removed?

a. It would become more rigid. c. It would have holes in it.

b. It would disintegrate. d. It would collapse in on itself.

____38. Where are you least likely to find water in the structure shown in Figure 7-4?

a. A c. C

b. B d. E

____39. Which of the following pictures in Figure 7-5 most likely approximate the motion

phospholipids make in a plasma membrane?

Figure 7-5

a. A c. C

b. B d. D

____40. What did scientists observe using the earliest microscopes.

a. atoms c. molecules

b. cell parts d. tiny organisms

____41. Which statement is a fundamental principle of the cell theory?

a. All cells have a plasma membrane.

b. Eukaryotic cells are larger than prokaryotic cells.

c. Living organisms are composed of cells.

d. The genetic material in cells is DNA.

____42. Which statement is true about bacterial cells?

a. The cells are very large. c. They are eukaryotes.

b. The cells have no nucleus. d. They have organelles.

____43. Which is present only in eukaryotic cells?

a. cell membrane c. DNA

b. chromosomes d. nucleus

____44. Cholesterol is repelled by water and can be found between the layers of the

phospholipids in the plasma membrane. What can be concluded from this

information?

a. A high cholesterol diet should be avoided.

b. Cholesterol is nonpolar.

c. Cholesterol is polar.

d. Cholesterol is repelled by the polar tails.

____45. Which substance on the plasma membrane helps identify chemical signals from

outside the cell?

a. carbohydrate chain c. membrane protein

b. cholesterol d. transport protein

____46. Which organelle converts sugars into energy?

a. lysosome c. nucleus

b. mitochondrion d. ribosome

____47. A scientist at the polar ice cap was studying an ice sample from hundred of meters

below the surface. While examining the ice, the scientist found some cells from many

years ago. Using an electron microscope, the scientist identified these cell structures: a

cytoskeleton, mitochondrion, nucleus, cell wall, and ribosomes. What kind of

organism did the scientist find?

a. animal c. plant

b. bacteria d. He did not have enough

information.

____48. Chloroplasts are organelles that convert light energy to sugars. These organelles are

found only in plants. Which organelles are found only in animals?

a. golgi apparatus c. mitochondria

b. lysosomes d. ribosomes

____49. At what point in the process of diffusion is dynamic equilibrium reached?

a. when the movement of the molecules stops being random

b. when the molecules are mixed and stop moving

c. when the rate of change in the solution slows by one half

d. when there is continuous movement but no change

____50. What is a major difference between facilitated diffusion and active transport?

a. Active transport moves substances against the concentration gradient.

b. Active transport uses proteins in the process.

c. Facilitated diffusion moves molecules through the plasma membrane.

d. Facilitated diffusion requires large amounts of energy.

____51. A plant cell is placed in a hypotonic solution. What will happen to the plant cell?

a. It will swell. c. It will stay the same.

b. It will shrink. d. It will wilt.

____52. Algal cells are placed in an isotonic solution. Additional amounts of solutes are slowly

added to the solution. What happens to the cells?

a. They will begin to swell. c. They will stay the same.

b. They will burst. d. They will shrink.

____53. What types of materials are expelled from cells during exocytosis?

a. large molecules such as hormones

b. positive and negative ions

c. small molecules such as carbon dioxide

d. water and glycerol

____54. Which of the following is an example of passive transport?

a. endocytosis c. facilitated diffusion

b. exocytosis d. Na+/K

+ ATPase pump

____55. Which of the processes shown in Figure 8-2 do not use a cell’s energy?

Figure 8-2

a. A c. C

b. B d. D

____56. In which types of organisms does the process shown in Figure 8-4 take place?

Figure 8-4

a. plants only c. neither plants nor animals

b. animals only d. both plants and animals

____57. Infer why chloroplasts are found mostly in the leaves of plants.

a. The large surface area of leaves allows for maximum light absorption.

b. The waxy coating on the surface of leaves helps prevent evaporation.

c. Chlorophyll interferes with the xylem and phloem in the stems and

trunks of plants.

d. The large surface area of leaves allows for contact with oxygen.

____58. When light strikes chlorophyll molecules, they lose electrons, which are ultimately

replaced by which of the following?

a. splitting water into 2H+ and O

2– c. oxidizing glucose

b. fixing carbon d. breaking down ATP

____59. Where does the oxygen used in cellular respiration end up?

a. water c. NADH

b. ATP d. glucose

____60. What is the role of oxygen in cellular respiration?

a. It provides electrons for the electron transport chain.

b. It combines with carbon monoxide to form carbon dioxide.

c. It is needed for the production of light and heat.

d. It is the final electron acceptor for the electron transport chain.

Short Answer

Figure 2-6

61. Use the diagram in Figure 2-6 to complete Table 2-1. Classify each member of the

food web as autotroph or heterotroph, and identify the heterotrophs as herbivores,

carnivores, or omnivores.

Table 2-1

Autotrophs Heterotrophs Herbivore, carnivore,

or omnivore

Final Exam Review

Answer Section

TRUE/FALSE

1. ANS: F

Nitrogen, phosphorus, oxygen, and water all play critical roles for organisms.

PTS: 1 DIF: Bloom's Level F REF: 45–49

NAT: LS_4a STA: III.5.5 TOP: 2-8

2. ANS: F

Physical factors such as nitrogen availability are abiotic regardless of the processes

that regulate them.

PTS: 1 DIF: Bloom's Level E REF: 35 | 48


3. ANS: T

Biotic factors include all living things that interact with an organism in its habitat.

PTS: 1 DIF: Bloom's Level B REF: 35–36

NAT: LS_4c STA: III.5.1 TOP: 2-1

4. ANS: F

The dust does not affect the output of the Sun, but it does affect the amount of energy

reaching photosynthetic organisms, and, therefore, food webs.

PTS: 1 DIF: Bloom's Level E REF: 41–43

NAT: LS_5b STA: III.5.4 TOP: 2-5

5. ANS: T

The biogeochemical cycles are closely tied to life on Earth, but have abiotic reservoirs

as well.

PTS: 1 DIF: Bloom's Level D REF: 45–49


6. ANS: T

This is the definition.

PTS: 1 DIF: Bloom's Level B REF: 149

TOP: 6-1

7. ANS: T

The number of protons equals the number of electrons.

PTS: 1 DIF: Bloom's Level C REF: 148

TOP: 6-1

8. ANS: F

A covalent bond involves sharing. When an ionic bond forms, electron(s) are donated

from one atom and gained by another.

PTS: 1 DIF: Bloom's Level A REF: 152–153

TOP: 6-3

9. ANS: T

This is the correct definition.

PTS: 1 DIF: Bloom's Level A REF: 156

TOP: 6-5

MULTIPLE CHOICE

10. ANS: C

The role the cougar plays in the ecosystem, and the relationships it has with other

animals, is part of its niche.

Feedback

A You're on the right track.

B What's the definition of a community?

C That's correct!

D Look at page 38 for a clue.


NAT: LS_5e STA: III.5.1 TOP: 2-3

11. ANS: D

9000 units are lost between the grass and the mouse, 900 between the mouse and the

cat, and 90 between the cat and the coyote.

Feedback

A How much energy is transferred between the grass and the mouse?

B Review the pyramid model on page 44.

C You're on the right track.

D That's correct!

PTS: 1 DIF: Bloom's Level E REF: 42–44

NAT: LS_5f STA: III.5.2 TOP: 2-6

12. ANS: B

The mouse is a herbivore, or first-level consumer. The cat is a second-level consumer

and the coyote is a third-level consumer.

Feedback

A A herbivore is a first-level consumer.

B That's correct!


D What are examples of decomposers?



13. ANS: C

A group of animals of the same species is a population.

Feedback

A Review the definition of a community.

B An ecosystem includes abiotic factors.

C That's correct!

D How big is the biosphere?


STA: III.5.2 TOP: 2-2

14. ANS: A

The fox-containing trophic level, at the top, will have both the smallest biomass and

the smallest number of individuals.

Feedback

A That's correct!

B You're on the right track.

C Where are the grasshoppers on the diagram?

D Try counting the blades of grass.


NAT: LS_5f STA: III.5.1 TOP: 2-6

15. ANS: C

The Sun provides the ultimate source of energy for all food chains based on

photosynthetic producers.

Feedback

A Where does the grass get its energy?


C That's correct!

D Water is a nutrient.

PTS: 1 DIF: Bloom's Level D REF: 41 | 44


16. ANS: C

Fleas benefit from their hosts (mammals), but the hosts experience negative effects.

This is a parasitic relationship.

Feedback

A Who benefits from this relationship?

B Commensalism means one member of the relationship is neither

helped nor harmed.

C That's correct!

D Review the definition of a predator on page 38.



17. ANS: C

The habitat description for an organism includes all the physical factors of its

environment, but the relationships it has with other species are part of its niche.

Feedback

A Check page 38 for clues.

B What is the definition of habitat?

C That's correct!

D A full description of the habitat could include temperature ranges.

PTS: 1 DIF: Bloom's Level D REF: 38

NAT: LS_5e STA: III.5.1 TOP: 2-3

18. ANS: D

Food chains are of various lengths and each food web contains food chains of

differing lengths.

Feedback

A Do all ecosystems have only four trophic levels?

B Food chains do not have a fixed length.

C Daylength does not have a direct effect on food chain length.

D That's right!

PTS: 1 DIF: Bloom's Level F REF: 43

NAT: LS_4b TOP: 2-6

19. ANS: B

Nitrogen fixation is performed by specialized bacteria that convert nitrogen gas into

ammonia.

Feedback

A This happens during the nitrogen cycle, but it is not called fixation.

B That's correct!

C Check page 48.

D You're on the right track.



20. ANS: D

The water cycle is largely dependent on abiotic processes such as evaporation.

Feedback

A A key component of the carbon cycle is the release of carbon dioxide

during cellular respiration.

B Check the definition of nitrogen fixation.

C Decomposers are important in the phosphorus cycle.

D That's correct!



21. ANS: B

Secondary succession occurs after a fire disturbance.

Feedback

A Check definition of primary succession on page 62.

B Correct!

C Re-read the section on succession and try again.

D Check the definition of a climax community on page 63.



22. ANS: A

Pioneer species are the first species to appear in a succession.

Feedback

A That's right!

B There would be some, but not the most, here.

C Have a look at pages 62–64 again.

D There would be the fewest here.

PTS: 1 DIF: Bloom's Level C REF: 62–64


23. ANS: A

As the sunlight increases, the rate of growth slows (it takes longer to grow).

Feedback

A True.

B How much is "a lot"?

C Re-read the axes of the graph. Are we measuring heat?

D Does the graph indicate water quantities?


NAT: LS_5e TOP: 3-1

24. ANS: C

These variables match climate characteristic of a tropical seasonal forest biome.

Feedback

A See page 71.

B That would require a change in temperature.

C Good job.

D Review page 71.


STA: III.5.4 TOP: 3-5

25. ANS: B

This is the correct distinction.

Feedback

A See pages 62–63.

B Good job!

C Did you get your definitions in the right order?

D Recheck definitions and try again.



26. ANS: D

A compound contains a fixed ratio of more than one element.

Feedback

A This is an element.

B A compound contains more than one element.

C This is an element.

D Correct. Water contains two elements in a fixed ratio.


TOP: 6-1

27. ANS: C

The neutron is neutral and is located in the nucleus.

Feedback

A This is an element.

B This has a negative charge.

C Well done.

D This has a positive charge.


TOP: 6-1

28. ANS: B

A chemical change occurs when the identity of a substance changes.

Feedback

A This is a physical process.

B Correct.

C The sugar does not change identity, neither does the water.

D This is a physical change.


TOP: 6-5

29. ANS: D

Water is polar while oil is nonpolar.

Feedback

A This explains why oil floats on water, but not why they do not mix.

B Mass of oil molecules is only slightly related to this idea.

C Both substances are liquid.

D Correct.


TOP: 6-8

30. ANS: C

Proteins have nitrogen, but carbohydrates and lipids do not.

Feedback

A All have C.

B All have H.

C Correct.

D All have O.


NAT: LS_5b TOP: 6-12

31. ANS: A

Carbohydrate is the key substance for energy metabolism. Fat is used for storage but

not typically as a direct energy source.

Feedback

A Well done.

B This is mostly for energy storage, not use.

C This can be used for energy but that is not its main role.

D Water does not provide energy, though it is essential for life.



32. ANS: A

Glycogen is made of glucose and is a carbohydrate.

Feedback

A Correct.

B See page 168.

C Glycogen is not a fatty acid.

D See page 168.



33. ANS: D

Amino acids are the building blocks of protein.

Feedback

A Carbohydrates are made of sugar units.

B DNA is made of nucleotides.

C See page 170.

D Correct.



34. ANS: A

DNA is the genetic material of the cell.

Feedback

A Correct.

B This provides fuel.

C See page 171.

D Protein is not the substance used to store the genetic information.



35. ANS: A

The size for the diameter of the viewing area is shown as 1000 m. Figure A is less

than half this length. A length of 400 m is the right answer.

Feedback

A You're right!

B That's a little too large.

C Try again.

D Compare Figure A with the diameter of the circle.


STA: II.1.3 TOP: 7-1

36. ANS: B

Figure B is about half the diameter of the viewing area. Since the viewing area is 1000

m across, Figure B is 500 m.

Feedback

A That's close.

B Correct!

C That's too large.

D Try again.



37. ANS: A

Cholesterol prevents the fatty acid tails from sticking together.

Feedback

A Correct!


C Try again.

D Look on page 188.


NAT: LS_1a TOP: 7-5

38. ANS: D

The nonpolar tails of the phospholipids repel water. The polar heads face the

environment inside and outside of the membrane. The nonpolar tails are in the middle,

at position E.

Feedback

A Look at page 188 for more information.

B Think about it some more.

C Look more closely at the diagram.

D That's right.


NAT: LS_1a TOP: 7-5

39. ANS: C

Phospholipids have nonpolar tails that always face toward the middle of the

membrane. The polar heads always face away from the middle. The phospholipids can

move sideways but cannot move apart or away from the membrane. Only C shows

this movement.

Feedback

A The layers must stay together.

B Think about it some more.

C That's correct!

D The polar heads can't move that way.


NAT: LS_1a TOP: 7-5

40. ANS: D

The earliest microscopes did not have very high resolution. Scientists could not

observe very small substances such as atoms and molecules. They could observe small

organisms and see that they were composed of cells, but they could not observe the

cell parts.

Feedback

A No, atoms are much too small.

B You're close.

C Try again.

D Correct!


NAT: IS_2c STA: II.1.4 TOP: 7-1

41. ANS: C

All the statements are true, but only statement C is part of the cell theory.

Feedback

A Read about cell theory on page 183.

B Try again.

C Correct!

D Remember that the cell theory is almost 150 years old.



42. ANS: B

All bacteria are prokaryotes. Although they do contain genetic material, it is not

located in a nucleus.

Feedback

A No, try again.

B You're right.

C No, bacteria are prokaryotes.

D Look at page 186 for more information.


TOP: 7-4

43. ANS: D

All cells have cell membranes, chromosomes, and DNA. Only eukaryotic cells have a

nucleus.

Feedback

A Read the information on page 186.

B Try again.

C Think about it some more.

D Correct!


NAT: LS_3e TOP: 7-4

44. ANS: B

The phospholipids that make up the plasma membrane are in two layers. The area

between the layers is where the nonpolar tails come together. Because polar

substances are repelled by the nonpolar tails, cholesterol must be nonpolar.

Feedback

A No, try again.

B You're right.

C Read about polar and nonpolar molecules on page 189.

D Think about it some more.


NAT: LS_1a TOP: 7-6

45. ANS: A

Carbohydrate chains sit on the outside of a cell. These chains can identify chemical

signals. None of the other substances perform this function.

Feedback

A Correct!

B No, cholesterol is found in the middle of the membrane.

C Try again.

D Read the information on page 189.


NAT: LS_1a TOP: 7-6

46. ANS: B

All the choices are organelles. A mitochondrion is the organelle that converts sugar to

energy.

Feedback

A Look at the summary chart on page 199.

B Correct.

C Try again.

D No, ribosomes manufacture proteins.


NAT: LS_1a | LS_5c TOP: 7-7

47. ANS: C

The organism could not have been a bacterium because it had a nucleus. It couldn’t

have been an animal because it had a cell wall. The organism was a plant.

Feedback

A No, not with a cell wall.

B No, not with a nucleus.

C Yes, that's right.

D The scientist had enough information.


NAT: LS_1a | LS_3e TOP: 7-8

48. ANS: B

Lysosomes are found only in animals. These organelles contain digestive enzymes

that can break down the wastes contained in vacuoles.

Feedback

A No, look at the summary chart on page 199.

B Correct.

C No, mitochondria are found in both plans and animals.

D Try again.

PTS: 1 DIF: Bloom's Level B REF: 196 | 199

NAT: LS_1a TOP: 7-8

49. ANS: D

The molecules in a solution always are in movement and this movement is random.

Dynamic equilibrium is reached when the concentration is equal in all parts of the

solution.

Feedback

A No, movement is always random.

B No, molecules always continue to move.

C Try again.

D That's right.


TOP: 7-9

50. ANS: A

Both active transport and facilitated diffusion use proteins in the process of moving

substances through the plasma membrane. However, active transport moves

substances against the concentration gradient while facilitated diffusion moves

materials with the gradient.

Feedback

A Yes, that's right.

B No, both process use proteins.

C Look on page 204.

D No, facilitated diffusion doesn't need extra energy.

PTS: 1 DIF: Bloom's Level D REF: 202 | 205

NAT: LS_1a TOP: 7-9

51. ANS: A

A hypotonic solution is a solution that has a lower concentration of solute. Water will

move out of the solution and into the cell. Plant cells have very strong cell walls, so

they will swell but usually not burst.

Feedback

A That's right!

B Read the information on page 204.

C Try again.

D Think about it some more.


TOP: 7-10

52. ANS: D

As the solution becomes more concentrated, it will become increasingly hypertonic. It

will then draw water from the algal cells and cause them to shrink.

Feedback

A No, try again.

B Read the information on page 205.

C Think about it some more.

D You're right.

PTS: 1 DIF: Bloom's Level E REF: 205

TOP: 7-10

53. ANS: A

Exocytosis is a process for expelling large molecules. None of the other materials

requires exocytosis.

Feedback

A Correct.

B No, think about it.

C Read the material on page 207.

D Try again.


NAT: LS_1a TOP: 7-11

54. ANS: C

Endocytosis, exocytosis, and the Na+/K

+ ATPase pump all are examples of active

transport. Facilitated diffusion is an example of passive transport.

Feedback

A No, this process takes lots of energy.

B Try again.

C You're correct!

D Look at pages 205–207.


NAT: LS_1a TOP: 7-11

55. ANS: C

Illustration C shows diffusion, which does not require energy.


TOP: 8-1

56. ANS: D

Glycolysis occurs in both plants and animals and in many other organisms.


NAT: LS_5c TOP: 8-7

57. ANS: A

Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct

photosynthesis. Chloroplasts capture light energy from the Sun to produce the energy

for plants. Leaves have large surfaces, which act as light collectors for plants.

Feedback

A Good job!

B Try again.

C Hmmm....think again.

D Good thinking, but not the right answer.


NAT: LS_1e TOP: 8-5

58. ANS: A

The source of electrons that replace those lost when light hits chlorophyll is water

molecules.

Feedback

A Correct!

B Refer to page 223–224 for more information.

C That sounds like it could be correct, but check your text again.

D Not quite. Try again.

PTS: 1 DIF: Bloom's Level C REF: 223–224

NAT: LS_1e TOP: 8-4

59. ANS: A

In cellular respiration, protons and electrons join with oxygen to produce water.

Feedback

A Correct!

B Check your text again.


D Refer to pages 228–231 for more information.


NAT: LS_5c TOP: 8-8

60. ANS: D

Oxygen is required by the electron transport chain as the final electron acceptor.

Feedback

A Refer to page 230–231 for more information.

B That may sound right, but check your facts.


D Correct!


NAT: LS_5c TOP: 8-8

SHORT ANSWER

61. ANS:

Table 2-1

Autotrophs Heterotrophs Herbivore, carnivore,

or omnivore

seeds grasshopper herbivore

berries elk herbivore

grasses marmot herbivore

chipmunk herbivore

grouse omnivore

grizzly bear omnivore

goshawk carnivore



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Final Exam Review - Christine Murphy's Sitecmurphyfhs.weebly.com/uploads/3/9/8/3/39837279/bio... · Final Exam Review True/False Indicate whether the statement is true or false. ____