Biology EOC Review Ecology

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph

• Producer

• Consumer

• Mutualist

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What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.

• The specific ways that mutualism is carried out.

• A single pathway or energy flow between organisms. 

• How carnivores get their food. 

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The rabbit in this food web would be considered a:

• Decomposer

• Producer

• Secondary Consumer

• Primary Consumer

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In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?

• Herbivore

• Carnivore

• Omnivore

• Secondary Consumer

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As part of the biosphere, humans only account for ____ % of the Earth's biomass:

• 1%

• 0.01%

• 7%

• 12%

A deceased body was found in the snow this will cause a ​ (a)   insect activity, and in the decomposition process.

• decrease

• increase

• not effect

• speed up

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The amount of energy that usually transfers from one trophic level to the next...

• 10%

• 20%

• 80%

• 50%

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A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population

• Community

• Habitat

• Ecosystem

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What would happen if the population of zebras decreased?

• There would be less grass for other animals.

• Populations of lions & hyenas would decrease.

• Termites would have no food.

• Baboons would have more competition for food.

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If more lions were introduced to the ecosystem

• the amount of hyenas would increase

• the amount of giraffes would decrease

• the amount of zebras would decrease

• the cheetahs would have less competition

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