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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
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(a) natural selection
(b) induced mutations
(c) reproductive isolation
(d) geographical isolation
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