They get frozen incase it is needed in the future.
Embryos dont need to survive.
Embryology
The study of embryos is called embryology.
Embryos are frozed in liquid nitrogen through a process called cryofreezing. Embryos are generally frozen to be stored for long periods of time or if they have to be trasported to a different location.
Two thing embryos need are nutrients and protection
if you are married you and your husband/wife give egg and sperm to a clinic, it gets implanted in another women, and she has your baby.
They are not fraternal twins (two different fertilized eggs implanted), they are identical twins (one single fertilized egg which divide into two separate embryos)
Embryo get implanted on the uterine wall.
No it is not. You no longer have a uterus in which to carry the baby. Before having a hysterectomy you might want to consider freezing some embryos if you would like to have children. These embryos could be implanted in a surrogate mother and you would be able to have children that way.
Only by not implanting the genes in the first place. Once implanted, the genes will be passed on to future generations. If the implanted genes corrects a medical defect and future generations don't suffer from the same defect, then implanting genes could be classed as a benefit to mankind.
Eight, so far. Twelve!!!! Bit of cheating there, with artificially implanted embryos.
It depends on which county you have the transplant take place. US says no more than 3, but I just had IVF in Bahrain and had 5 embryos transferred. I am pregnant with twins! Yay!
dormancy
I suppose it's possible if the fertilized embryo was implanted in a human womb. But human immune systems can sometimes attack even human embryos... so the embryo could be killed off quite early. Interesting question.
From the mother's body, - they are inside it while they are embryos.
Embryos dont need to survive.
No, not all organisms start out as embryos. Embryos are typically seen in higher animals that undergo sexual reproduction, where a fertilized egg develops into an organism. Organisms like bacteria and protists reproduce asexually and do not have an embryonic stage in their life cycle.