What Is the Original Source of Variation That Natural Selection

question 46

Multiple Choice

What is the original source of variation that natural selection can act upon?

• A) Mutation
• B) Gene flow
• C) Genetic drift
• D) All of the above

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Definitions:

Neurons

Basic working units of the brain, specialized cells that transmit information to other nerve cells, muscle, or gland cells.

Script

A sequence of expected behaviors, roles, and norms associated with particular social situations or cultural expectations.

Long-term Potentiation

A long-lasting enhancement in signal transmission between two neurons that results from stimulating them synchronously; widely considered one of the major cellular mechanisms that underlies learning and memory.

Neuron Level

Refers to the analysis or understanding of the nervous system at the scale of individual neurons, their functions, and interactions.