A small number of birds arrive on an island from a neighboring larger island. This small population begins to adapt to the new food plants available on the island, and their beaks begin to change. About twice a year, one or two more birds from the neighboring island arrive. What effect do these new arrivals have?   A. Their arrival tends to retard adaptation to the new food plants.   B. Their arrival speeds the process of speciation.   C. Their arrival tends to promote adaptation to the new food plants.   D. Their arrival will likely prompt genetic drift.   E. Their arrival represents a colonizing event.

Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter12: Diversity Of Life
Section: Chapter Questions
Problem 11RQ: Which assumption of cladistics is stated incorrectly? a. Living things are related by descent from a...
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A small number of birds arrive on an island from a neighboring larger island. This small population begins to adapt to the new food plants available on the island, and their beaks begin to change. About twice a year, one or two more birds from the neighboring island arrive. What effect do these new arrivals have?

  A.

Their arrival tends to retard adaptation to the new food plants.

  B.

Their arrival speeds the process of speciation.

  C.

Their arrival tends to promote adaptation to the new food plants.

  D.

Their arrival will likely prompt genetic drift.

  E.

Their arrival represents a colonizing event.

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