Organisms belonging to the phylum Mollusca include: shelfish(clams, oysters), snails, octopodes, and squid. The phylum mullosca is filled with a diverse group of animals, mostly aquatic. Molluscs have blateral symmetry and contain some of the most complex invertebrates such as octopodes. Most molluscs have two body opening used for both eating and expelling waste. some more complex organisms such as ocoopodes and squid have brains and a more human-like nervous system, but most molluscs have no brain and just nerves that controll movement. molluscs have gills to help them excange gasses under water.
molluscs have a relatively simple circulatory system that consists of hearts and "blood. the phylum Mollusca is one of the most diverse groups of invertibrates.
No comments:
Post a Comment