Which of the following refer to correct example (s) of organisms which have evolved due to changes in 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.
(1) only (a)
(2) (a) and (c)
(3) (b), (c) and (d)
(4) only (d)