An organism 'X' has hair on its body. It gives birth to young-one that feed on their mother's milk. Which organism is 'X'?
Rabbit
The organism 'X' is a rabbit. Rabbit is a mammal that has hair/fur on its body. They give birth to young ones that feed on their mother's milk. Crocodile, lizard and snakes are reptiles and have scales. They lay eggs which hatch into young ones.