Ecology Chapter 2 Exam Review
Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
____ 1. Environmental factors in an ecosystem include nonliving, or abiotic, factors. _________________________
____ 2. Air is composed mostly of carbon dioxide. _________________________
____ 3. Water is the main ingredient in cell fluids. _________________________
____ 4. Heat energy and light energy determine latitude. _________________________
____ 5. A higher elevation causes temperature to increase. _________________________
____ 6. The motion of air causes currents. _________________________
____ 7. Earth’s biosphere contains varying amounts of water, carbon, nitrogen, oxygen, and other minerals. _________________________
____ 8. The term biotic means “of the earth”. _________________________
____ 9. Nitrogen, as it is found in the air, can be used by plants and animals. _________________________
____ 10. Production of food from chemicals is called photosynthesis. _________________________
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 11. Which of the following is a biotic factor?
a. | sunlight | c. | water |
b. | worms | d. | climate |
____ 12. Which process uses oxygen in plants, algae, and animals?
a. | transpiration | c. | chemosynthesis |
b. | photosynthesis | d. | respiration |
____ 13. Decaying matter found in soil is called ____.
a. | humus | c. | latitude |
b. | consumer | d. | elevation |
____ 14. During photosynthesis, light energy becomes ____ energy.
a. | soil life | c. | mechanical |
b. | chemical | d. | pyramid |
____ 15. Nitrogen is a necessary ingredient of ____.
a. | white blood cells | c. | fats |
b. | carbohydrates | d. | proteins |
____ 16. Which of the following eats consumers?
a. | carnivore | c. | bacteria |
b. | herbivore | d. | fungi |
____ 17. Nitrogen in the soil is used by ____.
a. | plants | c. | both a and b |
b. | animals | d. | neither a nor b |
____ 18. The chemical energy in sugar molecules can be stored or used in which of the following?
a. | carbohydrates | c. | proteins |
b. | fats | d. | all of the above |
____ 19. Which is a model of feeding relationships?
a. | protein building | c. | food web |
b. | food map | d. | sugar molecules |
____ 20. As you move upward, from level to level, in an energy pyramid, energy ____.
a. | decreases | c. | stays at the same level |
b. | increases | d. | is destroyed |
Matching
Match the environmental factor with its classification, abiotic or biotic.
____ 21. sunlight
____ 22. mammals
____ 23. water
____ 24. soil
____ 25. temperature
____ 26. bacteria
____ 27. fungi
____ 28. air
____ 29. humus
____ 30. climate
Completion
Complete each statement.
31. ____________________ factors are nonliving.
32. Carbon dioxide is used by plants for _________________________.
33. ____________________ are not capable of photosynthesis.
34. Average weather conditions over time are called ____________________.
35. Respiration ____________________ oxygen and ____________________ carbon dioxide.
36. Nitrogen fixation is performed by ____________________.
37. The bottom layer of an energy pyramid represents ____________________, the first feeding level.
38. Energy is not recycled, but is ____________________ from one form to another.
39. In a food chain, the lowest level of consumers eat ____________________.
40. Overlapping food chains make a food ____________________.
Ecology Chapter 2 Exam Review
Answer Section
MODIFIED TRUE/FALSE
1. ANS: T PTS: 1 DIF: B
OBJ: 1/1
2. ANS: F, nitrogen
PTS: 1 DIF: B OBJ: 2/1
3. ANS: T PTS: 1 DIF: B
OBJ: 1/1
4. ANS: F, temperature
PTS: 1 DIF: B OBJ: 3/1
5. ANS: F, decrease
PTS: 1 DIF: B OBJ: 3/1
6. ANS: T PTS: 1 DIF: B
OBJ: 3/1
7. ANS: F, fixed
PTS: 1 DIF: B OBJ: 1/1
8. ANS: F, “living”
PTS: 1 DIF: B OBJ: 1/1
9. ANS: F, soil
PTS: 1 DIF: B OBJ: 6/2
10. ANS: F, chemosynthesis
PTS: 1 DIF: B OBJ: 7/3
MULTIPLE CHOICE
11. ANS: B PTS: 1 DIF: B OBJ: 1/1
12. ANS: D PTS: 1 DIF: B OBJ: 1/1
13. ANS: A PTS: 1 DIF: B OBJ: 1/1
14. ANS: B PTS: 1 DIF: B OBJ: 7/3
15. ANS: D PTS: 1 DIF: B OBJ: 6/2
16. ANS: A PTS: 1 DIF: B OBJ: 8/3
17. ANS: C PTS: 1 DIF: B OBJ: 6/2
18. ANS: D PTS: 1 DIF: B OBJ: 7/3
19. ANS: C PTS: 1 DIF: B OBJ: 8/3
20. ANS: A PTS: 1 DIF: B OBJ: 9/3
MATCHING
21. ANS: A PTS: 1 DIF: B OBJ: 1/1
22. ANS: B PTS: 1 DIF: B OBJ: 1/1
23. ANS: A PTS: 1 DIF: B OBJ: 1/1
24. ANS: A PTS: 1 DIF: B OBJ: 1/1
25. ANS: A PTS: 1 DIF: B OBJ: 1/1
26. ANS: B PTS: 1 DIF: B OBJ: 1/1
27. ANS: B PTS: 1 DIF: B OBJ: 1/1
28. ANS: A PTS: 1 DIF: B OBJ: 1/1
29. ANS: B PTS: 1 DIF: B OBJ: 1/1
30. ANS: A PTS: 1 DIF: B OBJ: 1/1
COMPLETION
31. ANS: Abiotic
PTS: 1 DIF: B OBJ: 1/1
32. ANS: photosynthesis
PTS: 1 DIF: B OBJ: 7/3
33. ANS: Consumers
PTS: 1 DIF: B OBJ: 7/3
34. ANS: climate
PTS: 1 DIF: B OBJ: 3/1
35. ANS: uses, releases
PTS: 1 DIF: B OBJ: 5/2
36. ANS:
bacteria
lightning
PTS: 1 DIF: B OBJ: 6/2
37. ANS: producers
PTS: 1 DIF: B OBJ: 9/3
38. ANS: converted
PTS: 1 DIF: B OBJ: 8/3
39. ANS: producers
PTS: 1 DIF: B OBJ: 8/3
40. ANS: web
PTS: 1 DIF: B OBJ: 8/3