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CBSE - X - Biology - Heredity and Evolution

What is speciation?what are factors for it?sir/ma'am I am worried about science xam.can u please suggest me how I prepare for it to score a1in board xam.can u tell me how many hours I need to study, 

Asked by Monika Singh 27th February 2015, 8:43 PM
Answered by Expert

Answer:

The formation of new and distinct species in the course of evolution is said to be speciation. The factors are
(i) Genetic drift 
(ii)Mutations 
(iii)Natural selection
(iv)Immigration and Emigration
 
Dont worry.Be calm and devote at least 10 hours of study.Revise all the chapters that you have studied before. Remember the key points of certain definitions and diagrams.
Hope thw suggestions will be helpful.
 
Best of Luck..
Answered by Expert 1st March 2015, 11:04 PM

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