What Do All Vertebrates Have That Earlier Chordates Did Not

question 39

Multiple Choice

What do all vertebrates have that earlier chordates did not have?

• A)brain
• B)vertebrae
• C)cartilaginous pipe surrounding notochord
• D)partial or complete skull
• E)bone

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Definitions:

Stereotype Threat

The experience of anxiety or concern in a situation where a person has the potential to confirm a negative stereotype about their social group, which can impair performance.

Role Models

Individuals admired for their qualities or achievements, who serve as a source of inspiration and example for others.

Self-objectification

The tendency to view oneself primarily as an object to be looked at and judged based on appearance.

Self-affirmation

is the practice of reminding oneself of personal values and beliefs to maintain self-integrity and reduce the impact of threats.