Question

Defind speciation. What are the facters which lead to speciation. Give example of the characteristics being used to determine how close two species are in evolutionary terms?

Answer 1

Explanation:

Scientists think that geographic isolation is a common way for the process of speciation to begin: rivers change course, mountains rise, continents drift, organisms migrate, and what was once a continuous population is divided into two or more smaller populations.

Homologous organ and analogous organ are the characteristics which can be used to find how close two species are in evolutionary terns.

Answer 2

Answer:

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1. Scientists think that geographic isolation is a common way for the process of speciation to begin: rivers change course, mountains rise, continents drift, organisms migrate, and what was once a continuous population is divided into two or more smaller populations.
2. Homologous organ and analogous organ are the characteristics which can be used to find how close two species are in evolutionary terns.