The phylum Mollusca includes a diverse group of animals known as mollusks, which are characterized by their soft bodies and often hard shells. Common examples of mollusks are snails, clams, and octopuses. They can be found in various habitats, from oceans to freshwater and even on land. Mollusks play important roles in ecosystems and are also significant in human culture, providing food and materials. Mollusks have unique body structures, typically consisting of three main parts: the foot, the visceral mass, and the mantle. The foot helps them move, while the visceral mass contains their internal organs. The mantle is a layer of tissue that can produce shells in some species. Overall, mollusks are