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

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Definitions:

Forelimb

The front limbs of an animal that in humans refer to the arms, including structures from the shoulder to the fingers.

Saphenous Vein

A large vein running along the length of the leg, commonly used for grafts in coronary artery bypass surgery.

Brachiocephalic Vein

A large vein in the upper chest that transports deoxygenated blood from the upper limbs, neck, and head to the heart.

External Jugular Vein

A vein located on the outside of the sternocleidomastoid muscle, draining blood from the face, neck, and scalp into the subclavian vein.