Which term includes the other three?

A food chain illustrates

The number or organisms that can be supported is known as

In an ecosystem, nutrients are recycled by

Which organism carries out autotrophic nutrition?

Competition for biotic resources can be illustrated by organisms fighting for

In some areas, foresters plant one tree for every tree they cut. This activity is an example of

A worm lives and reproduces in the soil. It aerates the soil and adds organic material to it. The worm is a source of food for birds. All of these statements together describe

A food web is more stable than a food chain becuase a food web

The base of an energy pyramid for any ecosystem would include

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