Which of the Following Was Probably the Least Important Factor

question 10

Multiple Choice

Which of the following was probably the least important factor in bringing about the Cambrian explosion?

• A) the emergence of predator-prey relationships among animals
• B) the accumulation of diverse adaptations, such as shells and different modes of locomotion
• C) the movement of animals onto land
• D) the origin of Hox genes and other genetic changes affecting the regulation of developmental genes
• E) the accumulation of sufficient atmospheric oxygen to support the more active metabolism of mobile animals

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Definitions:

Positive Reinforcement

A technique used in behavior management that involves the addition of a rewarding stimulus following a desired behavior, encouraging its recurrence.

Negative Reinforcement

A process in behavior analysis in which a response or behavior is strengthened by stopping, removing, or avoiding a negative outcome.

Goal Setting

The process of establishing desired results that guide and direct behavior.

Notion Of Entitlement

A concept referring to an individual's or group's belief that they inherently deserve certain rights, privileges, or treatments.