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Reptiles lay eggs as a means of reproducing, while mammals give birth to live young.
Which statement best demonstrates a reproductive disadvantage of mammals?
O The long development time can be risky for both the embryo and the mother.
O The embryo may be exposed to predators.
O The embryo is protected in the mother, and when it is born, it is usually well developed.
O The offspring are born full size.


Sagot :

Answer:

The long development time can be risky for both the embryo and the mother.

Explanation:  The long development time can be risky for both the embryo and the mother.