Question

Which of the following refer to correct example(s) of organisms which have evolved due to changes in the environment brought about by anthropogenic action?
a) Darwin’s Finches of Galapagos islands
b) Herbicide-resistant weeds
c) Drug-resistant eukaryotes.
d) Man-created breeds of domesticated animals like dogs.

• A. a) and c)
• B. b), c), and d)
• C. only d)
• D. only a)

Answer 1

The correct option is B b), c), and d)

• Darwin's finches are a result of natural selection.
• Excessive of herbicides in the fields resulted in resistant varieties.
• The constant usage of certain drugs resulted in evolution of prokaryotes with specific drug resistance.
• Artificial breeding of animals like cows and other cattle to increase milk yield or domestication of dogs for the betterment of human life are all changes in the environment due to anthropogenic or human actions.

So, the correct answer is '(b), (c) and (d)'.