Question

Choose the odd one out and give scientific reasons.

Jellyfish, Hydra, Sea anemone, Butterfly

Answer 1

Odd one is butterfly because it belongs to Phylum - Arthopoda and Class - Insecta. Their body is divisible into head, thorax and abdomen while Jelly fish, hydra and sea anemone belongs to Phylum - Coelenterata. They are radially symmetrical, free swimming or fixed, aquatic and solitary or colonial animals.