Molluscs are invertebrate animals that include octopuses, snails, and cuttlefish. Their bodies are divided into three parts - a head, visceral mass, and feet. They breathe through lungs or gills and are carnivorous. There are three main types of molluscs - gastropods, bivalves, and cephalopods.

1. Molluscs in general
As octopus, snail, or cuttlefish are molluscs.
Body: they are twisted, and in three different parts: heat, visceral mass
and feet.
Functions breathe through lungs terrestrial and marine gills. They are
carnivores.
Tipes: gastropods, bivalves and cefalòpodes.