A Behavior Can Evolve Through Natural Selection If

question 14

Multiple Choice

A behavior can evolve through natural selection if

• A) there is variation in the behavior among individuals in the population.
• B) the behavior influences the fitness of an individual possessing it.
• C) the behavior is heritable.
• D) a and b
• E) a, b, and c

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Definitions:

Glial Cells

Non-neuronal cells in the central and peripheral nervous systems that support, protect, and nourish neurons.

Brain Development

The process involving growth and change in the brain's structure, function, and capabilities, occurring throughout life but most significantly during childhood.

Synaptic Pruning

A natural process that occurs in the brain, especially during childhood and puberty, where the connections between neurons (synapses) are reduced to increase the efficiency of neurotransmission.

Marasmus

A wasting disease in which the body’s fat and muscle are depleted; growth stops and the body wastes away, taking on a hollow appearance.