LIFE SCIENCE

Detailed explanation-1: -The common cuckoo is one example of a brood parasite. Such animals trick other animals into raising their young. They sneak their eggs into other parents’ nests. Brood parasites are “basically looking for foster parents, ‘’ says Mark Hauber, a biologist.

Detailed explanation-2: -Brood parasitism is a method of parasitism in which the organism lays its eggs in the nest of other birds and let that other bird to incubate them. Example : The cuckoo bird lays its eggs in the nest of crow and during the period of evolution, eggs of cuckoo bird has began to resemble with the eggs of crow.

Detailed explanation-3: -So, the correct answer is ‘Brood parasitism’.

Detailed explanation-4: -cuckoo (Cuculus canorus) is a brood parasite; i.e., it lays its eggs in the nests of other birds, which act as foster parents for the young cuckoos. The most frequent foster parents are various species of small songbirds.