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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, community, population, ecosystem, biome
B
species, population, community, ecosystem, biome
C
species, population, community, biome, ecosystem
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
0.4
B
40
C
4
D
400
3) Which of the following would NOT match grass?
A
autotroph
B
producer
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
soil
B
oxygen
C
sunlight
D
water
6) A food web is more complex than a food chain.
A
False
B
True
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
The sun doesn't always shine.
C
Energy is lost as heat as it travels between trophic levels.
D
Because an ecological pyramid gets smaller as you go up.
8) Which of the following is NOT a fossil fuel?
A
methane
B
coal
C
oil
D
natural gas
9) Burning fossil fuels can have which of the following effects on the environment?
A
All answers are correct.
B
Increases amount of carbon dioxide in atmosphere
C
Increases the greenhouse effect.
D
Can contribute to global warming.
10) If there were more consumers than producers in an ecosystem, what would occur?
A
producers would run out of food (energy)
B
nothing different would occur
C
the ecosystem would flourish
D
consumers would run out of food (energy)
*select an answer for all questions
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