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:

Heteronormativity

denotes a cultural bias favoring heterosexuality and presuming distinct, complementary gender roles for men and women as normative.

Settling Down

The process of establishing a more stable and permanent lifestyle, often involving securing long-term housing and employment.

Symbolic Interactionist

A perspective in sociology that focuses on the significance of meaning and symbols in human interactions and how social reality is constructed through them.

Conflict Theorist

A social scientist who studies the ways in which different groups in society struggle for power, often focusing on issues of inequality, discrimination, and social change.