Metamorphosis is a developmental process specially important in
Insects.It is of 2 basic types 1; incomplete metamorphosis
(Hemimetabolous & Paurometabolous ) and 2; complete
metamorphosis ( Holometabolous ) .
Incomlete metamorphosis takes place in Grasshoppers and dragon
flies. there are 3 stages in it i.e. 1 ; egg , 2 ; nymph or niad
(small immature winglees simillar to adult , in same habitat and
eating same food.) and 3; adult.
Complete metamorphosis takes place in butterflies etc. and
involves 4 stages ie.
1 ; egg 2; larva ( it is motile and feeding ) 3 ; pupa ( it is
non motile and non feeding ) and 4 ; adult.