The process by which a portion of a population moves into a…

The process by which a portion of a population moves into a new environment and diverges from the parent population, resulting in the formation of two separate species occurs. When gene flow is re-established, the reproductive barriers between the two species are weak. This results in

Depletion of the ozone layer in Earth’s upper atmosphere I….

Depletion of the ozone layer in Earth’s upper atmosphere I. is predicted to cause melting of polar icecaps, rise in sea levels, and increase in frequency and intensity of violent storms over the next century.II. is due to destruction of ozone by chlorine from chlorofluorocarbon (CFC) pollutants that originate from refrigerants and aerosols. III. has resulted in a greater amount of the sun’s damaging ultraviolet radiation reaching Earth’s surface, rather than being blocked or reflected.