A larva.
Leave them alone. They will hatch out by themselves.
Reptiles hatch from eggs.
This mostly depends on the species. For instance, Indian Stick Insect eggs take around six months to hatch, whereas Giant Prickly (Extatosoma tiaratum) eggs can take up to a year.
4-6 months
some stick insects actually hatch when it is quite warm they will hatch in soil if the weather in your house is cold they won't hatch.
Yes - all birds lay eggs, so any young hatch from an egg.
Birds lay eggs and hatch them.
it is called a larva
Yes, tortoises lay eggs from which the young hatch from.
No, Bumblebees are not mammals. a bumblebee is an insect that has an exoskeleton, and unlike mammals which give live birth to their young, lays eggs that hatch into larvae.
Cows are mammals that give birth to live young, they do not hatch from eggs.
they hatch from eggs.