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प्रश्न
What is species and speciation?
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उत्तर
- Species is a group of organisms that can produce fertile individuals through natural reproduction.
- Speciation is the formation of new species of plants and animals as an effect of evolution.
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संबंधित प्रश्न
What factors could lead to the rise of a new species?
Will geographical isolation be a major factor in the speciation of a self-pollinating plant species? Why or why not?
"Natural selection and speciation leads to evolution." Justify this statement.
Name one reptile in given case where higher incubation temperature leads to the development of :male progeny.
What do you understand by the term variation?
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
Which of the following may be used to obtain an F2 generation?
(a) allowing flowers on a parent plant to be self-pollinated
(b) allowing flowers on an F1 plant to be self-pollinated
(c) cross-pollinating an F1 plant with a parent plant
(d) cross-pollinating two parent plants
Select the group which shares the maximum number of common characters.
Why are human beings who look so different from each other in terms of size, colour and looks said to belong to same species?
Choose the one term from the following which includes the other three :
broccoli, wild cabbage, cauliflower, cabbage
What is meant by a species?
State the various factors which could lead to the formation of new species.
Will geographical isolation be a major factor in the speciation of a self-pollinating plant species? Give reason for your answer.
Define 'natural selection'.
Read the following statement and justify the same in your own words with the help of a suitable example.
Geographical and reproductive isolation of organisms gradually leads to speciation.
Define Speciation.
The process by which new species develop from the existing species is known as ______
Add a note on allopatric speciation.
