The aperture is the main (or only) opening in the shell of a gastropod or snail, through which the soft parts of the animal emerge.
It is where the soft parts of the animal emerge. The aperture is the main (or only) opening in the shell of a gastropod or snail.
The aperture is the main (or only) opening in the shell of a gastropod or snail. It is where the soft parts of the animal emerge.
The aperture is the main (or only) opening in the shell of a gastropod or snail. It is where the soft parts of the animal emerge.