Why Is It So Difficult to Estimate the Current Extinction

question 25

Multiple Choice

Why is it so difficult to estimate the current extinction rate?

• A) There are 100 million named species.
• B) Beetles go extinct more rapidly than other species.
• C) Nematodes are so abundant.
• D) The fungi bias our samples.
• E) none of the above

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Definitions:

Cerebral Hemisphere

Each of the two parts of the brain (left and right) responsible for different functions, with the left typically handling logical reasoning and the right more involved in creative tasks.

Brainstem

The lower part of the brain that connects the cerebrum with the spinal cord and controls vital functions such as breathing and heart rate.

Neurons

Specialized cells transmitting nerve impulses; the basic units of the brain and nervous system.

Glial Cells

Non-neuronal cells in the central and peripheral nervous systems that provide support and protection for neurons.