The Theory That Individuals with Certain Traits Are More Fit

question 60

Multiple Choice

The theory that individuals with certain traits are more fit for their local environment and therefore are more likely to survive and reproduce is known as

• A) natural selection.
• B) macroevolution.
• C) gene flow.
• D) antigenic drift.
• E) the bottleneck effect.

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Definitions:

Intracellular

Located or occurring within a cell or cells, referring to processes, reactions, or components found inside cells.

Extracellular Ions

Ions located outside the cell, in the extracellular fluid, playing key roles in various physiological processes, including the transmission of nerve impulses.

Channels

Pathways through which messages or information are communicated or transferred from one end to another, also referring to structures that allow the passage of ions across cell membranes in biology.

Cell Membrane

The lipid bilayer that encloses a cell, controlling the passage of substances in and out, thus maintaining the cell's integrity and environment.