Biology
Which two characters out of (a)-(e) given below are common to dog, humans, squirrel, bat, camel and monkey?
(a) scales on the skin
(b) wings
(c) external ears
(d) give birth to young ones
(e) a functional tail
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Answer
The two characters common to dog, humans, squirrel, bat, camel and monkey are:
(c ) external ears
(d) give birth to young ones
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