Question

Help plsss
How do animals obtain the nitrogen they use to make proteins and nucleic acids?

A.
by consuming plants or other animals

B.
by absorbing ammonia from bacteria growing in the roots of plants

C.
by breathing the nitrogen present in the atmosphere

D.
by absorbing nitrogen found in the soil

Answer 1

a or b

Answer 2

A?

Answer 3

a

Answer 4

Thanks!

Answer 5

B.
by absorbing ammonia from bacteria growing in the roots of plants

Answer 6

Which describes the role of decomposers in the carbon cycle?

A.
They prevent carbon from escaping into the atmosphere.

B.
They absorb carbon from carbon dioxide in the atmosphere.

C.
They change carbon dioxide into a form that organisms can use.

D.
They release the carbon that remains in the bodies of dead organisms.