Here's a breakdown:
* Snails are hermaphrodites: This means they have both male and female reproductive organs.
* Eggs develop inside the snail's body: The eggs are produced in the snail's ovaries.
* Mating occurs: Snails often mate with each other, even though they can self-fertilize. This mating process involves the exchange of sperm.
* Fertilization: The sperm fertilizes the eggs inside the snail's body.
* Egg-laying: The snail will then lay the fertilized eggs in a protected location, such as under a rock, in damp soil, or within a mucus-filled nest.
So, to answer your question directly, snail eggs come from the ovaries of the snail.