List out some common features in cat, rat and bat.
Q. List out some common features in cat, rat and bat.
Ans. Bat, rat and cat belong to class mammalia and have following common features :
(a) All have notochord at some stage of life cycle.
(b) All are warm-blooded.
(c) All have four chambered heart.
(d) All have skin covered with hair and with sweat and oil glands.
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