What are the differences between animals belonging to the Aces group and those in the tnarnmaliu group?
Aves (i) They have a beak. (ii) Their body is covered with feathers. (iii) The two forelimbs are modified for flight, (iv) They do not have mammary glands to produce milk for young ones. (v) They lay eggs. Mammalia. (i) They do not have beak . (ii) Their body is covered with hair . Freathers are absent . (iii) They have two pairs of pentadactyl limbs modified for various puprose . (iv) They have mammary glands to produce milk for young ones. (v) Most mammals familiar to us produce live young ones .
