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