Answer:
(a)Amphibians have
(i) mucous glands on skin
(ii) Three-chambered heart
(iii) they respire through gill/lungs
(b) (i)Frog (Amphibian).
(ii) Asterias (Echinodermata)
(iii) Coackroach (Arthropoda)
You need to login to perform this action.
You will be redirected in
3 sec