Overview
Mollusca is a diverse phylum of invertebrates that includes creatures like snails, clams, and octopuses. They are characterized by their soft bodies, which are often protected by hard shells. Mollusks play vital roles in ecosystems, serving as food sources for many animals and contributing to the he...
Key Terms
Example: The mantle of a snail helps produce its shell.
Example: The radula allows snails to feed on algae.
Example: Clams are bivalves that filter feed in water.
Example: Octopuses are cephalopods with advanced problem-solving skills.
Example: Garden snails are common gastropods.
Example: Nacre is used to make beautiful jewelry.
Related Topics
Annelida
Annelids are segmented worms that share some characteristics with mollusks, such as being invertebrates.
intermediateArthropoda
Arthropods are a diverse group of invertebrates, including insects and crustaceans, that have jointed limbs.
intermediateEchinodermata
Echinoderms, like starfish and sea urchins, are marine invertebrates with unique body structures.
advancedKey Concepts
Body StructureHabitatReproductionEcological Importance