Final answer:
Gastropods are small, snail-like mollusks that use their wing-shaped feet to stay in water. They have a coiled shell and rely on their sense of smell and vision to navigate their environments.
Step-by-step explanation:
Gastropods are small, snail-like mollusks that use their wing-shaped feet to keep them suspended in the water. They include well-known mollusks like snails, slugs, conchs, sea hares, and sea butterflies. Gastropods have a coiled shell and are found in various habitats such as gardens, deserts, mountains, rivers, lakes, and the ocean. They rely on their sense of smell and vision to navigate their environments.