Question

use of nitrogen in animals​

Answer 1

Answer:

All plants and animals need nitrogen to make amino acids, proteins and DNA, but the nitrogen in the atmosphere is not in a form that they can use. ... When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use.

Answer 2

Answer:

Animals get the nitrogen they need by eating plants and other animals that contain nitrogen. When organisms die, their bodies decompose bringing the nitrogen into soil on land. Bacteria alter the nitrogen into the form that plant are able to use it.