According to Darwin,natural Selection Operates at the Level Of

question 22

Multiple Choice

According to Darwin,natural selection operates at the level of:

• A)individuals.
• B)genes.
• C)populations.
• D)species.

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Definitions:

Na+

Sodium ions, which are essential for various bodily functions including conducting nerve impulses and maintaining fluid balance.

H+

Hydrogen ion, a positively charged ion of hydrogen; a measure of acidity in solutions.

Proximal Convoluted Tubule

The portion of the nephron in the kidney which is involved in the reabsorption of water, sodium, and other substances from the filtered fluid.

Cotransported

The process by which two or more substances are simultaneously transported across a cell membrane by a single carrier protein.