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प्रश्न
Name the famous book written by Charles Robert Darwin.
उत्तर
The famous book written by Charles Robert Darwin is The Origin of Species.
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संबंधित प्रश्न
List four factors responsible for speciation.
A plant has two varieties, one with red petals and the other with white petals. When these two varieties are cross-pollinated, all the offsprings have red petals?
(a) Which gene is dominant?
(b) Choose suitable letters to represent the two genes.
What name is given to the sequence of gradual changes over millions of years in which new species are produced?
State the various factors which could lead to the formation of new species.
Does geographical isolation of individuals of a species lead to the formation of a new species? Provide a suitable explanation for your answer.
Read the following statement and justify same in your own words with the help of suitable example.
Geographical and reproductive isolation of organisms gradually leads to speciation.
What is species and speciation?
Add a note on sympatric speciation.
Complete the following chart:
| Animals | Connecting link between | |
| (1) | Balanoglossus | ______ |
| (2) | ______ | Annelida and Arthropoda |
| (3) | Lung fishes | ______ |
| (4) | ______ | Reptiles and mammals |
| (5) | Seymouria | ______ |
| (6) | Fishes and Amphibia |
