Q21 of 55 Page 246

What factors could lead to the rise of a new species?

The factors that can lead to rise of new species are:

1. Variations inherited from one generation to the other


2. Natural selection


3. Genetic drift


4. Genetic mutations


5. Geographical isolation


6. Environmental factors acting on geographically isolated species.


7. Reproductive isolation for a longer time.


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Give an example of characteristics being used to determine how close two species are in evolutionary terms.

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Will geographical isolation be a major factor in the speciation of an organism that reproduces asexually? Why or Why not?

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