The abiotic factor that provides energy for nearly all life on the earth is:

What process do plants use to create their own energy:

Organisms that take nitrogen out of the air and convert them to a usuable form are called:

Which process releases nitrogen to the air:

Which organisms remove carbon dioxide from the air?

The process where carbon is used, released and reused over and over:

Where is most of the energy found in an energy pyramid?

What is used to show the feeding relationships among organisms in a community?

The use of sugar(glucose) as an energy source is used by:

The living features of the environment are called the __ factors.

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