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प्रश्न
Define Speciation.
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उत्तर
The process of formation of a new species from the pre-existing species is called speciation.
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संबंधित प्रश्न
List three main factors responsible for the speciation and briefly describe each one of them
Name one reptile in given case where higher incubation temperature leads to the development of :male progeny.
State one advantage of variation to a species.
A plant with two 'small' genes breeds with a plant with two 'tall' genes to produce :
(a) small plants and tall plants in the ratio 1 : 3
(b) all small plants
(c) all tall plants
(d) tall plants and small plants in the ratio 3 : 1
Select the group which shares the maximum number of common characters.
Define 'speciation'. Explain how speciation occurs.
Which of the following statement is incorrect with respect to variations?
(a) all variations in a species have equal chance of survival
(b) change in genetic composition results in variations
(c) selection of variations by environmental factors forms the basis of evolutionary process
(d) variations are the minimum in asexual reproduction
According to the evolutionary theory, the formation of a new species is generally due to ______
What is species and speciation?
Add a note on sympatric speciation.
