Question

Read the following statement and select the correct option :
Statement 1 Brood parasitism in birds is an examples of parasitism in which the parasitic bird lays its eggs in the nest of its host and the host incubates them
Statement 2 During the course of evolution, the eggs of the parasite bird have evolved to resemble the hos's eggs in size and color to reduce the chances of the host bird detecting the feign eggs and removing them from the nest.

• A. Both statement 1 and 2 are correct
• B. statement 1 is correct but statement 2 is incorrect
• C. statement 1 is incorrect but statement 2 is correct
• D. both statement 1 and 2 are incorrect

Answer 1

The correct option is A Both statement 1 and 2 are correct

Brood parasitism in birds is an example of parasitism in which the parasitic birds lays its eggs iin the nest of its host and the host incubates them. Ths way, the bird can save the energy that it would have spent in incubation and can use thaqt energy iin fooraging and other activtiies. During the course of evolution, the eggs of theparasite bird have evolved to resemble the host's eggs in size and colour to reduce the chances of the hose bird detecting the foreign eggs and removing them from the nest .Laying eggs by cuckoo (koel) in crow's nest is brod parasitism. Cowbirds also show brood parasitism