OBJECTIVE LIFE SCIENCE
EVOLUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A population of squirrels was separated during the formation of the Grand Canyon. Over time the squirrels, separated by the canyon walls and the Colorado River, became unique species. Which mechanism most likely caused the development of the new species?
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habitat preference
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increased gene flow
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geographic isolation
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behavioral isolation
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Explanation:
Detailed explanation-1: -Two separate species inhabit the north and south rims of the canyon. The Kaibab squirrels inhabit the north rim and the Albert squirrels inhabit the south rim.
Detailed explanation-2: -Which condition would most likely result in an increase in the phenotypic variation within a population? A mutation leads to individuals with genetic differences.
Detailed explanation-3: -Speciation is how a new kind of plant or animal species is created. Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics.
There is 1 question to complete.