mollusks
What covers the visceral mass?
Mantle
What is the distinguishing trait of annelids?
Segmentation
Where water leaves the lancelet body?
Atriopore
Class containing spiders?
Arachnids
Lower lip?
Labium
Class of mollusks with two shells?
Bivalve
Means little rings?
Annelids
Stiff flexible rod of cells that runs the length of the body?
Notochord
Jaws?
Mandibles
Upper lip?
Labrum
Blood cavity of mollusks?
Hemocoel
What is the unfolding of the intestinal wall?
Typhlosole
Extends form ring canal to the end of each arm?
Radial canal
Numbers of legs on a spider?
Eight
First job of worker bees?
Nurse maids
Freshly hollow tubes of clams?
Siphons
Temporary food storage area?
Crop
Side of the starfish mouth?
Oral
Produce silk for webs in spiders?
Spinnerets
Protein fed to queen and youngest larva?
Royal jelly
Cluster of nerve cells?
Ganglia
Type of annelid that has suckers and is a parasite?
Leeches
Turns inside out to help bring prey into the body?
Cardiac stomach
Used by marines arthropods to breathe?
Gills
Immature stage of some insects that resembles the adult form?
Nymph