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प्रश्न
List three main factors responsible for the speciation and briefly describe each one of them
उत्तर
The process by which new species develop from the existing species is known as speciation. The important factors which could lead to speciation are:-
i. Geographical isolation of a population caused by various type of barriers such as mountain ranges, rivers and seas.
ii. Genetic drift caused by drastic changes in the frequencies of particular genes by chance alone.
iii. Variations caused in individuals due to natural selection.
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संबंधित प्रश्न
What is meant by speciation?
State one advantage of variation to a species.
How does the creation of variation in a species ensure its survival
Name five varieties of vegetables which have been produced from 'wild cabbage' by the process of artificial selection.
Define 'speciation'. Explain how speciation occurs.
The theory of evolution of species by natural selection was given by ______
List any two factors that could lead to speciation.
State and define three factors responsible for the rise of a new species.
What is species and speciation?
In the following Question, the Assertion and Reason have been put forward. Read the statements carefully and choose the correct alternative from the following:
Assertion: Speciation is the reproductive isolation amongst once interbreeding population.
Reason: Genetic drift, Natural selection, and Severe DNA change can cause speciation.
