Unit 4 Ecosystem Vocabulary Quiz Review

Factors that are living things in an ecosystem.

• abiotic

• biotic

• instincts

• niche

A characteristic on the bodies of organisms that help them survive

• limiting factors

• behavioral adaptation

• life cycle adaptation

• physical adaptation

A special role or job a plant or animal has in their habitat and/or ecosystem

• instincts

• adaptations

• niche

• community

Which of the following are examples of abiotic factors in an ecosystem? (You may choose more than one answer!)

• water

• fungus

• trees

• climate

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A single organism in an environment is called a(n)

• individual

• keystone species

• organism

• population

Organisms of the same kind living in the same environment at the same time make up a

• community

• population

• ecosystem

• habitat

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The variety of species in an ecosystem

• community

• niche

• diversity

• competition

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True or false?

All the populations of organisms living together in the same environment at the same time make up a community.

• True

• False

All of the living organisms interacting with other living organisms as well as the non-living factors from the environment

• habitat

• population

• diversity

• ecosystem

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An organism that has an affect on an entire ecosystem

• niche

• keystone species

• adaptations

• predator

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