characteristics of cnidaria

single opening for food- waste,carnivorous- eat small crustacans;simple muscles;no brain

attached to a surface ex. portuguese man-of-war

four classes of Cnidaria

Hydrozoa(man-of-war)Scyphozoa(jellyfish); Anthozoa(seaanemones,coral);Cubozoa(boxjelly)

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Radiata

lecture 5 test 3

Question	Answer
All Sting phylum includes jellyfish, sea anemones, portugese man-of-wars and corals	Cnidaria
characteristics of cnidaria	single opening for food- waste,carnivorous- eat small crustacans;simple muscles;no brain
two life forms; body shapes	polp and medusa.
polyps	attached to a surface ex. portuguese man-of-war
medusa	upside down floating form
four classes of Cnidaria	Hydrozoa(man-of-war)Scyphozoa(jellyfish); Anthozoa(seaanemones,coral);Cubozoa(boxjelly)
"comb bearer" ex. sea gooseberry; made of 8 cones of cilia; all marine; called comb jellies	Phylum Ctenphora