Most Causes of Speciation Are Relatively Slow in That They

question 67

Multiple Choice

Most causes of speciation are relatively slow in that they may take many generations to see changes, with the exception of ________.

• A) polyploidy
• B) reinforcement
• C) colonization
• D) natural selection

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Definitions:

Oxygen-poor Blood

Refers to blood with a lower than normal oxygen content, usually returning to the heart from various parts of the body.

Superior and Inferior

Terms used to describe the relative position of body parts, with 'superior' meaning higher or above and 'inferior' meaning lower or below.

Baroreceptors

Structures, located in the aorta and carotid arteries, that help regulate blood pressure.

Regulated

Subject to rules, guidelines, or laws designed to control or govern conduct or procedures.