Prove the advantages of mammalian reproduction over the reproduction of other vertebrates?

The embryo of mammals is protected from the effects of bad environmental factors, developing in utero (placenta). It receives nutrients and oxygen from the mother’s blood. Mammals take care of their offspring more carefully than other animals.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.