Question

. A squirrel population lives in an area. Over many years, a river in that area grows wider and stronger, eventually forming a canyon. The squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. This is an example of

Answer 1

The term you are looking for is speciation, the development of a new species

Answer 2

Allopatric speciation. A population of squirrels lives in one area.

Over many years, a river in this area gets wider and stronger, eventually forming a canyon.

The squirrel populations on either side of the canyon are no longer able to mate with each other and eventually form distinct species.

What is the population density of squirrels?

•  The average squirrel density was estimated from the dray density using an average of 4.5 drays per squirrel (after Wauters & Dhondt, 1988).

Learn more about squirrel population here.

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