Whales Have a Problem Diving Because

question 14

Multiple Choice

Whales have a problem diving because

• A) They can hold their breath for very short periods of time
• B) They inhale air at the surface at high levels of pressure
• C) Upon ascent they may suffer release of gas bubbles in the circulatory system
• D) Upon descent they cannot prevent large amounts of carbon dioxide from dissolving in the blood and suffer the bends

---

Definitions:

Extinction

In psychology, the gradual weakening and eventual disappearance of a learned response when it is no longer reinforced.

Classical Conditioning

A cognitive process where two stimuli are repeatedly linked together; the response, first elicited by the second stimulus, is finally elicited by the first stimulus.

Antecedent

An event, condition, or stimulus that precedes and potentially leads to a behavioral response or psychological outcome.

Fingernails

Hard, keratinous plates covering the dorsal surface of the terminal portions of fingers and toes, serving protective and functional purposes.