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17 terms

porifera and cnidarians

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Flagella
whip-like structures of a collar cell
sponges
porifera
Cnidarians
sea anemones, corals, jellyfish, hydra
regeneration
ability of an organism to replace lost body parts
atoll
a kind of coral reef
spicules
can be made of silica; are in the jelly layer of sponges
polyp
cup-like form of cnidarians
medusa
free-swimming umbrella-like form of cnidarians
holes
pores
tentacles
the arm-like structures of cnidarians
budding
asexual sponge reproduction
flagella
help a sponge to keep water flowing through its body
jellyfish
marine cnidarians
barrier
a kinda of coral reef
nematocysts
coiled stingers at the end of cnidarians' tentacles
spongin
rubber-like substance the makes up some spicules
invertebrates
animals without backbones