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प्रश्न
What is cognogeny?
उत्तर
It refers to the evolution of different life forms on this planet-the Earth.
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संबंधित प्रश्न
Vermiform appendix is an example of __________ organ.
(A) vestigeal
(B) homologous
(C) sense
(D) analogous
The phenomenon of industrial melanism demonstrates__________
(a) natural selection
(b) induced mutations
(c) reproductive isolation
(d) geographical isolation
Select and write the most appropriate answer from the given.
Identify the type of isolation where the members of two populations have different mating behaviour which prevents interbreeding:
Select and write the most appropriate answer from the given.
Which stage in the life cycle of silk moth secretes silk?
Define the protobionts.
Rearrange the following from early to late geologic periods:
Carboniferous, Silurian, Jurassic.
Evolution is:
Most abundant organic compound on earth is:
In the solar system of the milky way galaxy, earth was supposed to have been formed about
Which of the following characteristics is not shown by the ape?
