Benthos

Nekton

Many deep-sea fishes can produce their own light by a process of chemical reactions in
the cells called

the farming of saltwater and freshwater organisms.

Brackish water can be found in

Ozone

The force pushing on the surface or area

Aneroid barometer

The lowest layer of Earth’s atmosphere is the _

This layer of the atmosphere contains the ozone layer

The outermost layer of Earth’s atmosphere is the

extends from about 400 kilometers outward for thousands of kilometers.