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10 terms

phylum Cnidaria

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medusa
bell-shaped or vase-shaped cnidarian body specialized for swimming
polyp
vase-shaped cnidarian body specialized for being sessile
Cnidaria
phylum that contains jellyfish, sea anemone, coral and hydra
gastrovascular cavity
hollow gut with a single opening (mouth)
nematocyst
specialized cell used to inject toxin into prey
tentacle
appendage used to grab, paralyze and move prey to the mouth
nerve net
interconnected nerve cells in cnidarians
bioluminescence
production of light through a chemical reaction
coral reef
hardened skeletens of coral polyps
ectoderm
tissue that forms the integument (epidermis, skin)