Question

Nitrogen cycling is important for living organisms to survive because nitrogen(1 point)
Responses

is taken up by plant roots.
is taken up by plant roots.

passes from producers to consumers.
passes from producers to consumers.

makes up most of Earth’s atmosphere.
makes up most of Earth’s atmosphere.

is required to make DNA and proteins.
is required to make DNA and proteins.

Answer 1

Nitrogen cycling is important for living organisms to survive because nitrogen **is required to make DNA and proteins**.