________ Is the Ultimate Source of Genetic Variation in Populations

question 17

Multiple Choice

________ is the ultimate source of genetic variation in populations.

• A)Natural selection
• B)Genetic drift
• C)Gene flow
• D)Mutation
• E)Recombination

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Definitions:

Brain Stem

The part of the brain connecting the spinal cord with the forebrain and cerebrum, responsible for controlling basic life functions such as breathing and heart rate.

Amygdala

A part of the brain involved in emotion regulation, especially fear and pleasure responses.

Hypothalamus

A critical brain structure involved in controlling body temperature, hunger, thirst, fatigue, sleep, and circadian rhythms.

Radio Frequencies

The range of electromagnetic frequencies used in wireless communication, typically ranging from 3 kHz to 300 GHz.