The minimum age to obtain one's driverâs license should not be raised to 18 because 16-year-olds have a much more focused mind. If you change the minimum driving age to 18, it will be very little different from 16-year-olds because either way they wouldn't have very much driving experience.
Snails make their own shells.They make it with a muscle called the mantle.The mantle then releases liquid.When the liquid hardens it forms the shell.Later in the snails life t â¦ he mantle releases more liquid and the shell becomes bigger.
The reproduction of a moon snail is distinctive. First, the female lays its eggs in a sand collar. It is made by one layer of sand, a layer of eggs, then another layer of sand, and is all held together by the snail's mucus. [10] The sand that helps form the collar preserves the circular shape of it.he systems of the moon snail work best in water because they are aquatic animals. [5]. In the body, the heart pushes the blood into body cavities called sinuses. There the blood washes over the organs. As blood is doing this, other blood is depleted into vessels and then is transferred to the snail's gills.