Phylum
Insect
Arthropoda
The site of attachment of the earthworm during sexual reproduction
clitellum
ameobocytes
name of stinging cells
nematocyts
What happens when a crayfish loses a limb?
Regeneration
echinodermata
What organ does an earthworm exchange gases?
skin
Cells that pump water through the sponge
choanocytes (collar cells)
What are the two forms a Cnidarian can take?
Polyp and Medusa
What is the organ of balance in a crayfish?
statocyst
planaria
platyhelminthes
Grinds food
gizzard
What organelle does the collar cell have that pumps the water through?
Does the Cnidarian have a brain?
No it has a nerve net
What organ clean the blood of a crayfish?
Green Gland
round worm
nematoda
Ventral or Dorsal nerve cord?
Ventral
What method of locomotion does the amoebocyte have?
psuedopodia
jellyfish
What structure helps with sexual reproduction in crayfish?
swimmerets
snail
mollusca
Segmented, round, or flat?
Segmented
Does the sponge have a motile stage?
yes, when a larva
Name the four types of Cnidarians
Hydra, Coral, Anemone, Jellyfish
What area surrounds the heart in a crayfish?