Unusually, the animal communities down here don't use the sun to get their energy.

But we're working the whole water column, which turns out to have the largest animal communities on earth.

They were not active in the animal sheltering community, but had skills with computers and graphic design.

The forests on the mountain support a typical animal community for the Catskills.

A dominance hierarchy is known to exist in many aggressive animal communities.

Annual production of seeds and fruit is high and well supports the site's animal communities.

It took more than a thousand years to develop new and stable plant and animal communities.

Biome - a major regional group of distinctive plant and animal communities.

Altering surface plant and animal communities affects karst environments as well.

The riparian plant and animal communities depend strongly on each other.