arthropods
Excretory organs in spiders
Malpighiantubules
Turns inside out to help bring prey into the body
Cardiac stomach
Clusters of nerve cells
Ganglia
Little bristles that help move
Setae
The subphylum of the tunicates
Urochordata
Fused head and thorax
Cephalothorax
Bulblike top of the tube foot
Ampulla
Larva stage in annelids and mollusks
Trochophore
Little rings
Annilids
Alternate name for tunicates
Sea squirts
Terrestrial crustacean that roll into a ball
Isopod
The side of a starfish opposite of mouth
Aboral
tongue like strip that has teeth that point backwards
Radula
Type of annelids that haa suckers and is a parasite
Leeches
Subphylum of the lancelet
Cephalochordate
Arthropod with two pairs of legs per body segment
Millipede
the class of sand dollars and sea urchin; means spike like
Echinoidea
mass that contains the heart and other organs
Visceral
Where sperm is stored in the worm
Semianlreceptacle
Barrel shaped chordate animal; has chordat characteristics as a larva
Tunicate
Telson
Pincerlike structures of the starfish that help clean the body
Pedicellariae
That means head footed
Cephalopodaclas
In folding of the intestinal wall
Typhlosple
Stiff flexible rod of cells that runs the length of the body
Notochord