Marsupial mammals retain their embryos for only a short period in the uterus
A mammal embryo is the developing baby inside the mother.
The mammal embryo receives its nutrients from the mother through the placenta. The placenta allows nutrients to travel from the mother's system to the embryo's, and for waste products to leave the embryo's system so they can be disposed of by the mothers.
I believe it is called an embryo
Placenta through the process of diffusion
A placental mammal retains the young inside the body of the female and are born alive.
Monkeys are in the placental group of mammals which means that they have an internal placenta for development of embryo.
Rabbit is a mammal which is pregnant for 21 days . Pregnancy is called gestation period in which embryonic development is completed .
fish
Yeti are not proven to exist, but if they did they would likely be mammals.
Climate
No. Only a male can impregnate a female. No female mammal of any species can get another female pregnant. For mammals that have a "heat" cycle, being in "heat" is required for pregnancy by a male. If such a mammal (a dog for instance) is not in heat or doesn't have a male partner, pregnancy is not possible.
No, a bald eagle is a bird.No, it's a bird.