Question

In the list of animals given here- human being, cow , hen, dog, hen is the odd one out. The reasons of this is:
A- it undergoes internal fertlization
B- it is oviparous
C- metane
D- nitrogen

Answer 1

option B. It is a oviparous

Answer 2

the answer is B - IT IS OVIPAROUS
this means that the organism reproduces by laying eggs
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