Saturday, February 11, 2012

Phylum Mollusca (soft animals)


Phylum Mollusca (soft animals)
Animal habitat in almost all molluscs have tampat, covering approximately 80.000 species. Soft skin, put the organism level tools. Based on the shape and position of the foot towards the body position phylum molluscs classified into three classes:
a. class Pelecypoda
Lamellibranchiata also called thin plate-shaped due to the gills, called bivalves because there were two graft
b. cephalopod
Feet on the head (chepalon), passing without the body, respiration with gills, most have the ink sac. Example: Loligo sp: Squid, Octopus sp.
c. class Gastropoda
The composition of the body consists, head, body, and legs. The vast majority are in the graft. Foot was in the belly, most grafts turn to the right. Example: Achatina fulica (snails) and Ampullarea ampullacea (snails or slugs of water).

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