Ecosystems Vocabulary test review

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too many animals of a certain species living in a certain area

The contest among organisms for the limited resources of an ecosystem

A specific physical characteristic that allows a living thing to survive in its environment; ex: hooves, webbed feet

A change in an organism’s body structure over time to enable it to survive in its environment

organisms that make their own food

consumers that break down the tissues of dead organisms

an organism in a community that must eat to get the energy it needs

animals that are hunted