Question

write any three difference between animals belonging to the aves group and those in mammalia group and give one example of both group

Answer 1

aves group:-
1.these animals bones are hollow and light.
2. They have feather in their body.
3. they are oviparous
4. they have no mammary gland.
5. crow,peacock etc
mammalia:-
1. they have hair on their body
2. there bones are strong and hard.
3. they are viviparous except platypus and echidna
4. they have mammary gland
5. human beings, whales,bat ,

Answer 2

the answer is this
aves
1. their body is covered with feathers
2. they have beaks
3. they lay eggs
Mammalia
1. their body is covered with hairs
2. they don't have beaks
3. most of them give birth to young ones
eg of aves is white stork
eg of mammalia is cow
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