Which of the Following Would Be Considered an Example of Bioremediation

question 12

Multiple Choice

Which of the following would be considered an example of bioremediation?

• 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

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Definitions:

Fetal Brain Development

The process by which the brain grows and develops during pregnancy, including the formation of neural pathways.

Hypothalamic-pituitary-adrenal Axis

A major part of the neuroendocrine system controlling reactions to stress and regulating many body processes, including digestion, the immune system, mood and emotions, and energy storage and expenditure.

Chromosomal Abnormality

A variation in the number or structure of chromosomes, often leading to genetic disorders or syndromes.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by distinct physical features and some level of intellectual disability.