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Mollusca. Andrew An, Fahad Khan, Spencer Fang, Samuel Kim. Generally live in marine environment, but can be found virtually everywhere Some can also be found by hydrothermal vents . Habitat . Uses gills to filter in dissolved oxygen Gills in direct contact with water. Respiratory System.

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mollusca

Mollusca

Andrew An, Fahad Khan, Spencer Fang, Samuel Kim

habitat

Generally live in marine environment, but can be found virtually everywhere

  • Some can also be found by hydrothermal vents
Habitat
reproduction

Reproduces by using water as a medium to deliver sperm to the female

  • Then the female siphons the sperm and fertilizes her eggs
Reproduction
segmentation

They have segmentation because they have specific parts of the body that has specific functions.

  • Three main part of a molluscan body: foot, visceral mass and a mantle
Segmentation
coelom

Coelom is a fluid filled cavity that develops with the mesoderm

  • They possess a coelom that functions as a hydrostatic skeleton
Coelom
germ layer

Mollusca are triploblastic so they have 3 germ layers

  • The three layers consist of ectoderm, mesoderm and endoderm
Germ Layer