There are a zillion kinds of eggs. Which did you want to know about? Please repost with that information, then someone can answer the question. :-)
in nest like underground nest tree nest bush nest there diffrent kinds even web nest
No. Bats are mammals- they give birth to live offspring, and do not lay eggs.
so that if some eggs are killed by predators, some will live and grow up and to also reproduce
Salmon produce so many eggs so that they have a larger chance to reproduce. That's nature for you.
An evolutionary innovation associated with amphibians is their heart, which can exchange gases outside of a water environment. This allows the amphibians to live on land.
yes they have live young
The Clownfish are not born live but are hatched from eggs.
Woodland caribou give live birth, they do not lay eggs.
Yes, Aliens and eggs can live under water. But you will never see them. They live under the sea really, really, really deep.
They lay eggs
No, but they do lay eggs