The Decline of Cyanobacteria in the Early Cambrian Oceans Was

question 4

Multiple Choice

The decline of cyanobacteria in the early Cambrian oceans was most likely related to

• A)the movement of animals onto land.
• B)the evolution of land plants.
• C)an increase in the number of predatory fish.
• D)an increase in organisms with suspension-feeding mouthparts.
• E)a decline in the number of marine decomposers.

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Definitions:

Learned Helplessness

A condition in which a person suffers from a sense of powerlessness, arising from a traumatic event or persistent failure to succeed, characterized by the belief that one has no control over the outcomes in their life.

Operant Learning

A method of learning that employs rewards and punishments for behavior, emphasizing the effects of consequences on behavior.

Reinforcement

In behavioral psychology, a stimulus or event that follows a behavior and increases the likelihood of the behavior's recurrence.

Punishment

A consequence applied to decrease or eliminate an undesired behavior; often used in the context of behavior modification techniques.