Question

Difference between birds and bats.

Answer 1

1. The vertebrates that can fly by their wings whose bones are hollow and whose forelimbs are adjustable are birds. They belong to the phylum Chordata.
2. The vertebrates have their mammary glands and are multicellular eukaryotic organisms belonging to the class Mammalia are mammals. Bats are mammals.

Birds	Bats
1. They have feathers and wings.	1. They are webbed structured animals.
2. They belong to the class Aves.	2. They belong to the class of mammals.
3. They use a beak for eating and scooping water as they lack teeth.	3. They use teeth for crushing and eating.
4. They are mainly active only during the daytime so are termed as diurnal.	4. They are active only during night time so-termed as Nocturnal.
5. They reproduce by laying eggs so are oviparous.	5. They reproduce by giving birth so are viviparous.