SPONGE
PORifera
JELLY FISH
CNIDARIA
ANEMONES
CNIDARIA
SEGMENTED WORMS
ANNELIDA
SNAILS
MOLLUSCA
CLAMS
MOLLUSCA
SQUID
MOLLUSCA
INSECTS
ARTHROPODA
ROUNDWORMS
NEMATODA
SEA STARS
ECHINODERMATA
SEA URCHINS
ECHINODERMATA
CORAL
CNIDARIA
HUMANS
CHORDATA
SAND DOLLAR
ECHINODERMATA
SEA CUCUMBER
ECHINODERMATA
MOLLUSCA
foot muscle
Radula-rasping tongue
mantle(shell)- fold of skin covering vital organs
ECHINODERMATA
radial symmetry
every echinoderm is a variation of the basic sea stars 5 part body plan
no eyes, sensory tubes
CNIDARIA
no heads radially symmetrical 2 sets of muscles first predator first creature with things that could reach out and perceive the world
ANNELIDA
WORMS!
The annelids are bilaterally symmetrical, triploblastic, coelomate, invertebrate organisms
brittle stars
echinodermata
crab
arthopod
shrimp
arthopod
arthopod
exoskeleton appendages eyes antenas molting land and sea gills
sea squirt
chordata