3. Name animals that are fertilized inside but developed outside the mother's body.

• Internal Fertilization

In oviparity, fertilized eggs are laid outside the female's body and develop there, receiving nourishment from the yolk that is a part of the egg. This occurs in most bony fish, many reptiles, some cartilaginous fish, most amphibians, two mammals, and all birds.

4. How do you describe the fertilization and development of human?

• The development of a human begins with fertilization, a process by which the spermatozoon from the male and the oocyte from the female unite to give rise to a new organism, the zygote." "The question came up of what is an embryo, when does an embryo exist, when does it occur.