You cannot until they mature.
The adults usually eat the baby guppies.
Once the baby guppies mature they can move in with the adults.
Guppies are livebearers. So they don't lay eggs. Male guppies WILL eat their own baby guppies. They will eat any baby guppy they see. It doesn't matter if it's their own or some other guppies'. Male and female guppies eat baby guppies.
No, All adult fish will eat baby guppies.
Fries (the term for baby guppies), are eaten by older guppies, but guppies are eaten by fish like tuna.
guppies
To have Baby
I'm not sure but some people say you should or the baby guppies will breed.
Male guppies are colorful and females are not. They are usually white or clear in color.
Some of them will get eaten, but what you can do to help is to have a plant that is small enough for the baby guppies to swim through. It will protect them when they are that young.
No Guppies are not moss eaters.
They will eat baby guppies.