How pollination helps variations and evolution 2ncert?
Answers
For your ans lets take an example of black moth and white moth
Before industrial revolution, white moth used to live a peaceful life than the black moth. Their lightcoloured transparent feathers help them to hide on roofs. And prevents their enemies to catch them.. Liches, and several other minute insects serves as prey for them, the vice versa was occurred with black moth
After the industrial revolution, the branches of the trees and its leaves formed black coloured soot, due to pollution many minute insects depleted, now this turned a benefit for black moth as it can hide easily on trees, hardly can collect some prey for their survival
This industrial revolution how ever didnot support for the survival for black moth. But gave them limited time than white moth
Hence, this example serves as a good example for variation and evolution
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