tube that takes water into or out of a bivalve mantle cavity
What is a siphon?
soft-bodied animals such as clams, oysters, slugs, snails and squid
What ar mollusks?
largest known invertebrates
What is the giant squid? or the colossal squid
crystalline support structures of a sponge
What are spicules?
only multicellular animal without a nervous system
What is a sponge?
rough, file-like gastropod organ that scrapes food and carries it into the digestive tract
What is the radula?
clams. scallops, and oysters that contain 2 shells
What are bivalves?
only cephalopod with an external shell
What is the nautilus?
movement of a protozoa toward or away from a stimulus
What is taxis?
Jody Blake
Who is the best teacher ever?
spiny-skinned invertebrate with a water vascular system
What is an echinoderm?
What is the foot?
method of reproduction in which 2 paramecium exchange genetic material before undergoing repeated division
What is conjugation?
microscopic freshwater invertebrate with wheel-like cilia
What is a rotifer?
Largest class of segmented worms
either of a pair of muscles that holds a bivalve shell together
What are adductor muscles?
What is the mantle?
Name a roundworm
What is hookworm, filaria worm, trichina, or ascaris?
Bristles on the body segments of an earthworm
What are setae?
Name a flatworm
What are planarians, flukes, and tapeworms?
reproducing through unfertilized eggs
What is parthenogenic?
Three parts of a mollusk body
What is the foot, visceral hump, and mantle?
What are the polyp and medusa?
shovel-like upper lip of an earthworm
What is a prostomium?
Name of the disease caused a plasmodium
What is malaria?