The Punctuated Equilibrium Model of Evolution Suggests That New Species

question 14

Multiple Choice

The punctuated equilibrium model of evolution suggests that new species appear

• A) gradually; as groups become isolated, they slowly evolve through their own individual pathway.
• B) only after older species disappear from the fossil record.
• C) suddenly after long periods of time with little to no change.
• D) gradually after long periods of time with little to no change; as groups become isolated, they slowly evolve through their own individual pathway.
• E) gradually, but over very short periods of time, so that intermediate species are often observed in the fossil record.

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Definitions:

Insight

A sudden and often novel realization of the solution to a problem; it contrasts with strategy-based solutions.

Arrangement

The act or process of putting things in a particular order or configuration.

Trial-And-Error

A fundamental method of solving problems, involving multiple attempts, learning from mistakes, and trying again until success is achieved.

Possible Solutions

Refers to various alternatives or methods available for solving a problem or achieving an outcome.