Molluscs

Molluscs

1. General characteristics

   • They are celomados metazoos, with a soft body, not segmented. Typically they have bilateral symmetry, although sometimes some lose it by experiencing their body a spiral winding or by the different development of the parts: a head (all less the Bivalves), a visceral mass covered by a retraction of the wall of the body called mantle, which forms a shell protective and leaves a cavity around the body called pallial cavity, and a muscular organ, the foot.

2. Types

   • Gastropods
     • Habitat: They usually live in the water but they are also terrestial. Example: Laps
       • Reproduction: Most gastropods are hermaphrodites
   • cephalopods
     • Habitat: They live all in water.
       • Reproduction: The sexes are separated
   • Bivalves
     • Habitat: fresh water, seas and oceans
       • Reproduction: The have unisexual reproduction.

3. Video!

Imagens e arquivos do mapa

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• Molluscs Educational Video For Kids (video/mp4)