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Biology
Test Description: Ecology
Instructions: Answer all questions to get your test result.
1) Which of the following is the correct order (from smallest-largest) for the ecological levels of organization?
A
species, population, community, ecosystem, biome
B
species, population, community, biome, ecosystem
C
species, community, population, ecosystem, biome
D
community, species, population, ecosystem, biome
2) There are 4000 units of energy available at the producer level of the energy pyramid, approximately how many units of energy are available to the second level consumer?
A
4
B
400
C
0.4
D
40
3) Which of the following would NOT match grass?
A
producer
B
autotroph
C
heterotroph
D
biotic factor
4) Consumers make up the bottom level in an ecological pyramid.
A
True
B
False
5) What is the ultimate (or orginal) source of energy for an ecological pyramid?
A
water
B
oxygen
C
soil
D
sunlight
6) A food web is more complex than a food chain.
A
True
B
False
7) Why must there be a continuous supply of energy in an ecosystem?
A
Because animals get eaten and others will run out of food.
B
Because an ecological pyramid gets smaller as you go up.
C
The sun doesn't always shine.
D
Energy is lost as heat as it travels between trophic levels.
8) Which of the following is NOT a fossil fuel?
A
methane
B
natural gas
C
coal
D
oil
9) Burning fossil fuels can have which of the following effects on the environment?
A
Can contribute to global warming.
B
All answers are correct.
C
Increases amount of carbon dioxide in atmosphere
D
Increases the greenhouse effect.
10) If there were more consumers than producers in an ecosystem, what would occur?
A
consumers would run out of food (energy)
B
the ecosystem would flourish
C
producers would run out of food (energy)
D
nothing different would occur
*select an answer for all questions
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