Butterfly eggs develop outside the body. They are usually laid on the underside of leaves to hide them from predators.
Outside the mother, and inside an egg.
outside
Inside
inside
It is important to know the reproductive habits of insects. Butterfly eggs are fertilized inside the body of the butterfly.
If you disturb a butterfly cocoon, it can kill the growing insect inside. It is important to leave the cocoon alone to let it develop naturally.
The egg is made with the embryo inside the body but the duckling inside the egg develops outside the ducks body.
From my experience, I think in the water.
The eyes of a butterfly are similar to other insect eyes. The eyes on the outside are made up of individual spheres called ommatidia. Inside each ommatdium is a cornea and cone, and behind the ommatdium is a rod.
The fertilised eggs develop inside the platypus's body for around 28 days, and are then laid and hatched ten days later.
Swan eggs develop outside the mother's body. After the female swan lays the eggs, she incubates them by sitting on them to provide warmth until they hatch. The incubation period typically lasts about 35 days, during which the embryos develop inside the eggs.
The butterfly's pupa stage is spent inside a cocoon