Answer: d. assimilating the nitrogen into their own biomolecules.
Explanation: I just had this question for an assignment.
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Answer:
The ocean.
Explanation:
It starts with the ocean and then there is evaporation condensation and precipitation and then runoff.
Answer:
pulmonary circulation
Explanation:
The pulmonary circulation moves the blood between the lungs and heart. Since the blood carries oxygen the heart pumps it to every body part including the lungs so we can maintain homeostasis.
They feed by filtering feeding they feed on tiny organic material which is filtered through them