The Only Vertebrates in Which Blood Flows Directly from Respiratory

question 31

Multiple Choice

The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart are the ________.

• A) amphibians
• B) fishes
• C) mammals
• D) reptiles

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Definitions:

Research Method

The systematic plan, strategy, and approach that scientists and scholars use to gather, analyze, and interpret data and information to uncover new knowledge.

Self-fulfilling Prophecy

A prediction or expectation that causes itself to become true, due to the feedback between belief and behavior.

Attribution

The process by which individuals explain the causes of behavior and events, typically as being either internally (personally) or externally (situationally) driven.

Primary Drive

refers to the innate biological instincts, such as hunger and thirst, that motivate behavior required for survival.