Which of the following is an example of biological augmentation?
A) adding nitrogen-fixing microorganisms to a degraded ecosystem to increase nitrogen availability
B) using a bulldozer to regrade a strip mine
C) dredging a river bottom to remove contaminated sediments
D) adding fertilizer to soil poor in nutrients to increase plant growth

Question

Quizplus · Accepted Answer

Biological augmentation involves introducing organisms to an ecosystem to restore balance or improve conditions. Adding nitrogen-fixing microorganisms to a degraded ecosystem to increase nitrogen availability is an example of this, as these organisms can naturally enhance soil fertility by converting atmospheric nitrogen into forms that plants can absorb.

Which of the Following Is an Example of Biological Augmentation