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Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action?

1. Darwin’s Finches of Galapagos islands.
2. Herbicide resistant weeds.
3. Drug resistant eukaryotes.
4. Man-created breeds of domesticated animals like dogs.

Correct answer: Herbicide resistant weeds.

Solution

Herbicide-resistant weeds are a classic example of evolution driven by anthropogenic change because herbicide use creates strong selection pressure, allowing resistant variants to survive and spread. The other options are not primarily examples of evolution caused by human environmental change in this context.

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