Which of the Following Could Be Considered the Most Recent

question 37

Multiple Choice

Which of the following could be considered the most recent common ancestor of living tetrapods?

• A) a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates
• B) an armored, jawed placoderm with two pairs of appendages
• C) an early ray-finned fish that developed bony skeletal supports in its paired fins
• D) a salamander that had legs supported by a bony skeleton but moved with the side-to-side bending typical of fishes
• E) an early terrestrial caecilian whose legless condition had evolved secondarily

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Definitions:

Cognitive

Pertaining to the mental processes involved in knowledge, understanding, learning, and thinking.

Class Consciousness

The awareness and understanding of one's place in a system of social classes, especially as it relates to the struggle between those classes.

Marxist Concept

A framework derived from the works of Karl Marx, focusing on the conflict between classes, the role of labor, and the critique of capitalism.

Social Consciousness

The awareness shared by individuals within a society regarding social inequality, injustice, and the need for social change.