The Vertebrates, Which Include Organisms Such as Humans, Birds, and Frogs

question 21

Multiple Choice

The vertebrates, which include organisms such as humans, birds, and frogs, illustrate that very different forms can evolve from one basic body plan. The observation that these diverse organisms share a general body plan supports the hypothesis that

• A)they may simply be different variations of the same species.
• B)evolution discovers and produces the most useful features for a given point in time.
• C)they form a lineage that began with a common ancestor.
• D)highly adaptive traits have a high probability of evolving independently within otherwise unrelated groups.

---

Definitions:

Obedience

A form of social influence where an individual acts in response to a direct order from another individual, typically an authority figure.

Reactance

A psychological reaction to resist changes or propositions, motivated by a perceived threat to personal freedom or autonomy.

Stanford Prison Experiment

A psychological study conducted in 1971 where college students were assigned roles of guards and prisoners, exploring the psychological effects of perceived power and control.

Deindividuation

The reduction in personal identity and erosion of the sense of personal responsibility when one is part of a group.