The Form of Natural Selection That Leads to an Increase

question 7

Multiple Choice

The form of natural selection that leads to an increase in the frequency of alleles which promote the fitness of genetic relatives is called ________.

• A) direct selection
• B) indirect selection
• C) inclusive selection
• D) kin selection

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Definitions:

Inferior Vena Cava

A large vein that carries deoxygenated blood from the lower and middle parts of the body to the right atrium of the heart.

Duodenum

The first section of the small intestine immediately beyond the stomach, which is primarily responsible for the initial stages of digestive processing.

Villi

Small, finger-like projections that extend into the lumen of the small intestine, increasing the surface area for absorption of nutrients.

Secretin

A hormone produced by the small intestine that regulates water homeostasis throughout the body and stimulates the secretion of digestive juices.