Molluscan Features
Phylum of invertebrates that have a mantle
What is Mollusca?
bird, squid, fly, earthworm, centipede...Which is a deuterostome
What is a bird?
has eight dorsal plates and is a grazer on rocky coasts
What are chitons?
bivalves lack this feature
What is a head?
mollusks that have a closed circulatory system
What are cephalopods?
the radula is this
What is a type of feeding organ?
Annelids, chordates, arthropods, mollusks...which are deuterostomes
What are chordates?
torsion is a body characteristic found in this group
What are gastropods?
use this move
What is the foot?
has the most complex nervous system
this organ makes the shell
What is the mantle?
in deuterostomes, where does the coelom develop?
What is from gut outpouchings?
type of circulatory system in gastropods
What is open?
name for the oldest part of a shell
What is the umbo?
modified shell
What is the pen?
classes that have a mantle and a radula
What are cephalopods and gastropods?
earthworm, crayfish, sea star, squid, clam...which is NOT a protostome
What is a sea star?
how land snails differ from aquatic snails
What is land snails are hermaphrodites?
another name for a shell
What is a valve?
two long retractile ones with suckers found in squid
What are tentacles?
The radula is found in these groups
What are mollusks, chitons, and bivalves?
What is radial cleavage?
What is intake of of digestive wastes with food?
type of circulatory system in bivalves
What is open?
very muscular, can be bent 180 degrees to squirt water
What is the siphon?