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Science · 2024 · 2 marks
CBSE 2024 · Region 4 · Set 1 · Q24
The survival of a species is promoted through creation of variations. Illustrate with an example.
The survival of a species is promoted through creation of variations. Illustrate with an example.
Marking-scheme solution
Example - A population of bacteria living in temperate waters that can withstand heat due to the rise in temperature due to global warming will survive better in a heat wave than the non-variant bacteria having no capacity to tolerate heat wave. Thus, suitable variations promote survival.
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