NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If organisms of one species become physically separated, over time the two populations will
A
evolve in exactly the same manner and remain as one species
B
likely become extinct within one year
C
likely evolve into separate species over millions of years
D
begin hunting one another for food
Explanation: 

Detailed explanation-1: -Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.

Detailed explanation-2: -Speciation occurs when a group within a species separates from other members of its species and develops its own unique characteristics. The demands of a different environment or the characteristics of the members of the new group will differentiate the new species from their ancestors.

Detailed explanation-3: -Speciation is the process by which one species evolves to form two or more new species. Often members of different species are unable to interbreed due to the evolution of reproductive isolating barriers.

Detailed explanation-4: -Adaptive radiation is the process by which one species evolves into two or more species. This occurs as a result of different populations becoming reproductively isolated from each other, usually by adapting to different environments.

Detailed explanation-5: -Explanation: Allopatric speciation refers to the process by which a physical barrier separates a single population, causing two (or more) populations to arise and evolve due to environmental differences to become different species.

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