How does nitrogen leave a food chain?

A. Primary consumers eat nitrogen-containing green plants.

B. Producers absorb nitrogen-containing nutrients by their roots.

C. Decomposers break down nitrogen-containing waste material from primary consumers.

D. Denitrifying bacteria convert nitrogen-containing nutrients in the soil into atmospheric nitrogen.

Question

Biology

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28 August, 23:28

How does nitrogen leave a food chain?

A. Primary consumers eat nitrogen-containing green plants.

B. Producers absorb nitrogen-containing nutrients by their roots.

C. Decomposers break down nitrogen-containing waste material from primary consumers.

D. Denitrifying bacteria convert nitrogen-containing nutrients in the soil into atmospheric nitrogen.

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Answers (1)

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Demetrius Ho · Answer 1

Answer: c

Explanation: Plants and animals need nitrogen to make proteins but they cannot take it in from the air. Because nitrogen is unreactive as a gas, it has to be transformed into a new molecule. When bacteria in the soil takes nitrogen from the air, it becomes nitrates. Finally, it can move through the food chain in this form.