earthworm
Annelida
budding
head end
anterior
how sponges obtain food
filtering water
type of symmetry in an earthworm
bilateral
sponge
Porifera
organism that exchanges sperm and uses a slime tube
earthworm
tail end
posterior
how cnidarians capture prey
nematocysts
type of symmetry in a jellyfish
radial
snail
Mollusca
asexual reproduction used by planaria
regeneration
earthworm "heart"
aortic arches
obtains food from host's digestive tract
parasite (nematoda or platyhelminthes)
organism with two shells
bivalve
jellyfish
Cnidaria
stage where the jellyfish exists as male or female (polyp or medusa)
medusa
earthworm "brain"
ganglia
grinds the food of an earthworm
gizzard
organism without a backbone
invertebrate
flatworm
Platyhelminthes
hermaphroditic
openings in the epidermis to exchange gases
nephridia
how sponges digest their food
ameobocytes
hard, prickly part of sponge
spicules