How do reptiles and mammals reproduce?

Answer 1

they lay eggs

Answer 2

Most mammals use sexual reproduction, where fertilization is internal, and give live birth.

Some mammals are oviparous (egg laying) mammals called monotremes, namely platypuses and echidnas -- the young are not born live but are nursed after they hatch.

Pouched mammals and placental mammals give birth to tiny young ones, so are called viviparous.
Sexual intercourse

Answer 3

Most reptiles mating is similar to mammals, there are some lizard species that reproduce by parthenogenesis, that is they produce both sperm and egg and do not have a need for male & female. Research being done at this time seems to provide evedence that some other reptiles may reproduce this way also.

Answer 4

Mammals give live birth to their babies; but reptiles lay eggs and their babies later hatch out of the egg.

Actually, reptiles can also give birth to neonates - not just eggs. Such as boa's.

Answer 5

Reptiles use internal fertilization and amphibians use external fertilization. Once the egg is out a reptile sits on it to fertilize amphibians though don't do this.

Answer 6

They either lay eggs, or give birth to 'live' young.

Answer 7

Reptiles and birds reproduce sexually, with a male and a female.

Answer 8

they breed and have babies.......duuuuuuh