
Pre-AP Biology Ecology Test Questions 17-32
Authored by Sarra Smith
Science
10th Grade

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18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
17. The trophic levels in the figure at right illustrate:
17. The trophic levels in the figure at right illustrate:
a. the relative amount of energy at each level.
b. the amount of living organic matter at each level.
c. the relative number of individual organisms at each level.
d. that the producers outnumber first-level consumers.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
18.Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism's life processes, and the rest is
a. used in reproduction
b. stored as body tissue
c. stored as fat
d. elimiated as heat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
19.Which type of pyramid shows the amount of living tissue at each trophic level in an ecosystem?
a. a numbers pyramid
b. an energy pyramid
c. a biomass pyramid
d. a food pyramid
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
20. Matter can recycle through the biosphere because
20. Matter can recycle through the biosphere because
a. matter is passed out of the body as waste
b. matter is assembled into chemical compounds
c. biological systems do not use up matter, they transform it.
d. biological systems use only carbon, oxygen, hydrogen, and nitrogen
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
21. The repeated movement of water between Earth's surface and the atmosphere is called
21. The repeated movement of water between Earth's surface and the atmosphere is called
a. the water cycle
b. the condensation cycle.
c. precipitation.
d. evaporation.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
22. What is the process by which bacteria convert nitrogen gas in the air to ammonia?
22. What is the process by which bacteria convert nitrogen gas in the air to ammonia?
a. nitrogen fixation
b. excretion
c. decomposition
d. denitrification
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
23. How is carbon stored in the biosphere?
23. How is carbon stored in the biosphere?
a. in the atmosphere as carbon dioxide
b. underground as fossil fuels and calcium carbonate rock
c. in the oceans as dissolved carbon dioxide
d. all of above
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