The Permian Period Ended and Then Rapid Speciation Occurred as New

question 2

Multiple Choice

The Permian period ended and then rapid speciation occurred as new animal and plant forms evolved. The most likely explanation for this is ________.
I.adaptive radiation
II.ecological opportunity
III.lack of competition
IV.morphological innovation

• A) just one of the above
• B) two of the above
• C) three of the above
• D) all of the above

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Definitions:

Variable Cost

A cost that varies with the level of output or production activity.

Marginal Product

The marginal product is the additional output gained by employing one more unit of input, such as labor, in the production process.

Bouquets

Arrangements of flowers, often decorative and used as gifts or for special occasions.

Florist

A professional or business that specializes in the arrangement and sale of flowers and floral displays.