The Measure of an Organism's Ability to Compete in the Struggle

question 30

Multiple Choice

The measure of an organism's ability to compete in the struggle for existence is known as

• A) fitness.
• B) adaptation.
• C) the phenotype.
• D) aptation.

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Definitions:

Blood Vessels

Blood vessels are tubular structures that carry blood throughout the body, including arteries, veins, and capillaries, each serving distinct functions in the circulatory system.

Gametes

Reproductive cells (sperm in males and eggs in females) that fuse during fertilization to form a new organism with a complete set of genes.

Liver

A vital organ in vertebrates and some other animals that perform a wide range of functions including detoxification, protein synthesis, and production of biochemicals necessary for digestion.

Heart

Muscular organ whose contraction causes blood to circulate in the body of an animal.