There Is Some Evidence That Reptiles Called Cynodonts May Have

question 1

Multiple Choice

There is some evidence that reptiles called cynodonts may have had whisker-like hairs around their mouths. If true, then hair is a shared ________.

• A) derived character of mammals, even if cynodonts continue to be classified as reptiles
• B) derived character of all vertebrates and not of the mammal clade
• C) ancestral character of the all vertebrates, but only if cynodonts are reclassified as mammals
• D) derived character of mammals, but only if cynodonts are reclassified as mammals

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Definitions:

Social Facilitation Effects

Describes how the presence of others enhances or improves an individual's performance on simple or well-learned tasks but can impair performance on complex or new tasks.

Distraction/Conflict Theory

A theory suggesting that the presence of distractions or conflicting stimuli during a task can lead to decreased performance due to divided attention.

Cognitive Factors

Mental processes that influence understanding, decision making, and behaviour.

Simple Tasks

Activities or duties that are straightforward and uncomplicated, requiring minimal skill or effort to complete.