Question

housefly,crab,ant,butterfly. find the odd one out . give reason

Answer 1

Odd one:crab reasons:butterfly,ants and housefly are insects whereas crab is a crustaceans

Answer 2

crab is the odd one out as rest all are insects whereas crab is a type of  crustacean and has a shell around its body  whereas it is absent in housefly ant and butterfly .