how is nitrogen obtained by animals?

a. they breathed it in from the air.
b. they get it from the soil.
c. they get it from eating plants.
d. they produce it in their chloroplasts.

They get it by eating plants.

Explanation:

just did it

the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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the denominator has a very specific role.