The number of walking legs in a spider is.........

Which of the following is $NOT$ a characteristic of the phylum $Arthropoda$?

Which phylum in the animal kingdom has the highest number of species?

In which of the following arthropods is the development paurometabolous? The young hatched from eggs resemble the adult,often occupy the same habitat,and grow by moulting.

Among the following,which are colonial insects?

Animals of this phylum undergo the process of ecdysis (moulting).