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boyakko [2]
2 years ago
8

Reptiles lay eggs as a means of reproducing, while mammals give birth to live young.

Biology
1 answer:
spin [16.1K]2 years ago
5 0

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.

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