mollusks

Most mollusks have a _____ system

open circulatory

mollusks have hemocoel (_____) as a part of their circulatory system

blood cavity

the 3 main groups of molluks are….

gastropods - snails and slugs

bivalves - oysters and clams

cephalopods - cuttlefish and squids

mollusks have ______ that secretes the shell

mantle

mantle provides a chamber for _____

gills

Reproduction is _____ but some species are _____

sexual; hemaphroditic

gastropods crawl and burrow with a muscular ____

foot

gastropods feed with a ____

radula

gastropods - snails typically use gills but can also ___ through the skin

use difusion

gastropods that made it on land use a _____ to breath

simple lung

bivalves - clams use muscular foot for _____ in sand or mud

burrowng

scallops move by ____

jet propulsion

biavavles eat by ______ _____

filter feeding

ALL cephlapods are _____

predatory carnivores

cephlapods move by _____ _____

jet propulsion

cephlapods evolved their tentacles from ___

the foot in mollusks

cephlapods are the only mollusk with a _____ _____ system

closed circulatory

cephlapods have highly devloped _____ and ____

brains; sensory