1.

Consider the following statements- 1. In birds, heart is four chambered2. In reptiles, respiration is done through skin 3. Earth worm are harmaphrodites.Which of the statements given above is/are correct ?

A. 1 and 2
B. 1 and 3
C. 3 only
D. 1,2 and 3
Answer» C. 3 only


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