The reason that some animals lay eggs is because that is more beneficial to them than than it is to give birth to a live offspring. ... Millions of years ago, every animal laid eggs, and slowly, they evolved to give birth to live babies based on what would help them survive best.
because Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, reptiles, birds, and the monotremes.
Answers & Comments
Explanation:
The reason that some animals lay eggs is because that is more beneficial to them than than it is to give birth to a live offspring. ... Millions of years ago, every animal laid eggs, and slowly, they evolved to give birth to live babies based on what would help them survive best.
Answer:
because Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, reptiles, birds, and the monotremes.