SELECT * FROM question_mgmt as q WHERE id=3688 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=259 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science How do Organism Reproduce? why is variation beneficial to the species but not

Question:

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

Answer:

Variations are beneficial to the species than individual because during certain environmental conditions their is so drastic change that their survival  of species becomes difficult. For example, if their is sudden rise in temperature of water, then most of the bacteria living in that water would die. So only few variants that can resistant to heat would be able to survive. However, if these few variants were not there, then the entire species of bacteria would have  destroyed. Thus, these variants help in the survival of the species.So all variations are not necessarily beneficial for the individual organisms.


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