Ecology

Match it! Select the correct answer from the pull down...Good luck!

In an ecosystem, nutrients are recycled by

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

The number or organisms that can be supported is known as

Competition for biotic resources can be illustrated by organisms fighting for

The base of an energy pyramid for any ecosystem would include

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

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

Which term includes the other three?