Animal Adaptations in the Ocean Biome
Crustaceans
Mollusks
Mantle
Cephalopods
Gastropods
Bivalves
Cnidarians
"belly foot"
lung development
move by jet propulsion
ability to live on land
hinged, two part shell
Siphon allows them to draw in water to feed
Specialized eye, focuses on light
Polychaetes
Jaw hardened with chitin for feeding
Head has tentacles that allows it to capture food
Gills
two pairs of antennae
exoskeleton hardened by calcium
Some have adapted to living on land
Crabs are able to keep gills damp and minimize water loss to breathe on land
posses cnidocytes, which helps them to capture prey
nematocyst
nerve net
can alter shape of body
secretes mucous, which allows it to move across abrasive surfaces on land