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Why is Variation Beneficial to the Species but Not Necessarily for the Individual? - CBSE Class 10 - Science

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Question

Why is variation beneficial to the species but not necessarily for the individual?

Solution

Variations are beneficial to the species than individual because sometimes for a species, the environmental conditions change so drastically that their survival becomes difficult. For example, if the temperature of water increases suddenly, then most of the bacteria living in that water would die. Only few variants that are resistant to heat would be able to survive. However, if these variants were not there, then the entire species of bacteria would have been destroyed. Thus, these variants help in the survival of the species. However, all variations are not necessarily beneficial for the individual organisms.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 10 (2019 to Current)
Chapter 8: How do Organisms Reproduce?
Q: 2 | Page no. 128
Solution Why is Variation Beneficial to the Species but Not Necessarily for the Individual? Concept: Reproduction - Introduction.
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