One of Fisher's Important Mathematical Demonstrations Was That Natural Selection

question 10

Multiple Choice

One of Fisher's important mathematical demonstrations was that natural selection progresses through

• A) changes in the organism to fit the characteristics of the environment.
• B) cyclical patterns of rapid spurts of change following by long periods of stability.
• C) mutations that may or may not be beneficial to the species.
• D) the accumulation of many small changes in genes rather than a few large changes.

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Definitions:

Malignant Tumor

A cancerous growth that can invade and destroy nearby tissue and has the potential to spread to other parts of the body.

Neuroblasts

Immature nerve cells that have the potential to develop into fully functioning neurons, essential for the growth and development of the nervous system.

Cranial Nerves

Twelve pairs of nerves that emerge directly from the brain, not the spinal cord, and control sensory and motor functions of the head and neck.

Spinal Nerves

Nerve fibers extending from the spinal cord, carrying motor, sensory, and autonomic signals between the spinal cord and the body.