The sea otter was hunted to near extinction during the Pacific maritime fur trad

Question

The sea otter was hunted to near extinction during the Pacific maritime fur trade, and its range contracted to a small area in California. Since hunting was prohibited by international treaty in 1911, this species has expanded its range to the north and south along the Pacific coast. There is no evidence for the role of evolutionary processes influencing this range expansion. This type of range expansion is called:

A)

secular dispersal

B)

dispersal by diffusion

C)

adaptation

D)

jump dispersal

secular dispersal

B)

dispersal by diffusion

C)

adaptation

D)

jump dispersal

Explanation / Answer

its dispersal by diffusion in which the species slowly disperse across the hospitable areas during its several reproductive generations. no evolutionary changes are seen. thus C) dispersal by diffusion

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