Which Situation Would Pose a Major Difficulty for Applying the Biological

question 80

Multiple Choice

Which situation would pose a major difficulty for applying the biological species concept?

• A) Five snail fossils taken from the same locality during a 400,000-year time span
• B) Two populations of sexually reproducing insects that can be bred easily in the same location under field conditions
• C) Two populations of sexually reproducing plants that can be bred easily in the same location under field conditions
• D) Sexually dimorphic mating pairs of birds
• E) Monomorphic mating pairs of birds

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Definitions:

Glial Cells

Cells that remove dead neurons and waste products from the nervous system, nourish and insulate neurons, form myelin, and play a role in neural transmission of messages.

Myelin

A fatty substance that encases and insulates axons, facilitating transmission of neural impulses.

Prefrontal Cortex

The part of the brain associated with decision-making, social behavior, and personality.

Limbic System

A complex system of nerves and networks in the brain, involved in basic emotions such as fear and pleasure, as well as drives like hunger and sex.