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In the 1940s, the Population of Whooping Cranes in North

Question 87

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In the 1940s, the population of whooping cranes in North America neared extinction, with fewer than 30 birds surviving. The population has since expanded to several hundred birds today. It is likely that these several hundred birds will exhibit very little genetic diversity. This is an example of


A) biogeographical distribution.
B) the bottleneck effect.
C) random mutation.
D) population effect.
E) immigration.

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