A Heritable Trait That Improves the Ability of an Individual

question 62

Multiple Choice

A heritable trait that improves the ability of an individual organism to survive and to reproduce at a higher rate than other individuals in a population is called a(n) ____.

• A) adaptation
• B) mutagen
• C) niche
• D) chromosome
• E) selection

Recognize the role of consequences in increasing or decreasing the likelihood of a behavior's recurrence.

Understand the sociocultural approach to anxiety disorders.

Recognize the role of various brain structures and their functions.

Identify the biochemical processes involved in neuron communication.

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Definitions:

Myelin Sheath

A fatty layer that surrounds the axons of some neurons, providing insulation and improving the speed of electrical impulses.

Axons

Long, threadlike parts of nerve cells along which impulses are conducted from the cell body to other cells.

Fatty Material

Substances composed of lipids, such as fats and oils, that are important for energy storage and cell structure in living organisms.

Peripheral Nerves

Nerves located outside the brain and spinal cord, responsible for transmitting information between the central nervous system and the rest of the body.