What Can Conservation Biologists Say with Certainty About the Causes

question 29

Multiple Choice

What can conservation biologists say with certainty about the causes of the extinction of species?

• A) Extinction is caused only by human activities.
• B) Extinction is caused only by natural events.
• C) Extinction is caused by both human activity and natural events.
• D) Extinction is probably caused by many factors, most currently unknown.
• E) Extinction is balanced by speciation, so there is no net extinction.

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Definitions:

Consciously Ratifies

The act of officially approving or confirming a decision or agreement with full awareness.

Ratified

Formally approved or confirmed, often in the context of contracts or agreements to signify official validation.

Information

Data or knowledge communicated or received concerning a particular fact or circumstance.

Principal

In legal and financial contexts, the original sum of money loaned or invested, before interest; in agency, the person or entity who authorizes an agent to act on their behalf.