Ecosystems

In a meadow ecosystem, a population of rabbits increases. What populations are most likely to increase as a result?

• foxes, hawks, and other predators of the rabbits

• leafy plants that rabbits eat

• rabbits that live elsewhere

• worms that live in the meadow soil

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Without decomposers, what would build up on the ground and not return to the soil?

• large rocks

• rain water

• bacteria and other microorganisms

• dead plant and animal matter

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In any community, which group includes the largest number of animals?

• herbivores

• prey

• predators

• consumers

All the living and nonliving things in an area make up a/an

• community.

• ecosystem.

• population.

• environment.

An organism that makes its own food is a/an

• producer.

• consumer.

• predator.

• prey.

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An _____ is everything that surrounds and affects a living thing.

• ecosystem

• environment

• population

• community

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All the living things in an ecosystem make up a ________.

• ecosystem

• environment

• population

• community

A ________ is all the members of one kind of plant or animal in a community.

• ecosystem

• environment

• population

• community

Two or more overlapping food chains form a/an

• food chain

• food web

• community

• population

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To avoid being eaten, a rabbit will run away from

• carnivores.

• scavengers.

• herbivores.

• producers.

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