Despite Different Societies' Efforts to Divide People into Different Biologically

question 27

Multiple Choice

Despite different societies' efforts to divide people into different biologically discrete groups, genetic evidence shows that human variation is:

• A) bushy.
• B) clinal.
• C) discontinuous.
• D) lineal.
• E) separated.

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Definitions:

Small Intestine

Portion of the vertebrate digestive tract that extends from the stomach to the large intestine.

Lungs

Lungs are a pair of respiratory organs in the chest of vertebrates where blood is oxygenated.

Elastic Fibers

Protein fibers in connective tissue that have the ability to stretch and return to their original shape, contributing to the elasticity of organs and tissues.

Reticular Fibers

Fine, branching fibers composed of collagen and glycoproteins, forming a supportive network in various tissues.