Of the Three Species of Sea Urchins Shown,one Species Is

question 21

Essay

Of the three species of sea urchins shown,one species is considered allopatric with Echinometra lucunter and the other is considered sympatric with E.lucunter.Name the allopatric species and identify one factor that may have led to speciation between E.lucunter and the allopatric species.Next,name the sympatric species and identify one factor that may have led to speciation between E.lucunter and the sympatric species.

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Definitions:

Reinforcement

In behavioral psychology, a process by which a behavior becomes more likely to occur due to the consequence that follows it, can be positive or negative.

Favourable Consequences

Favourable consequences are positive outcomes or benefits that result from specific actions or behaviors, often serving as reinforcement.

B.F. Skinner

A prominent psychologist renowned for his work in behaviorism, particularly the development of operant conditioning.

Extinction

Gradual reduction and eventual disappearance of a conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.