Q56 of 57 Page 56

List out some common features in cat, rat and bat.

Cat, bat and rat belong to the class-Mammalia and have following common features:

● All have notochord at some stage of life cycle.


● All are warm-blooded animals.


● All have four-chambered heart.


● All have mammary glands for the production of milk to nourish their young.


● All have skin covered with hairs as well as sweat and oil glands.


● All respire through lungs.


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