Porifera

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Porifera
Cnidaria
Platyhel- minthes
Nematodes
Pot Pourri
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Members of this phylum are commonly called this
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Sponges
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They generally produce both sperm and egg. This
makes them ___.
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hermaphrodites
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Fresh water sponges produce these spore-like
formations to survive winters
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Gemmules
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The cells that line the inside and have flagella
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Collar cells
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Hard, spikey structures formed by the amoebacytes
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Spicules
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The 3 main classes in this phylum
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Jellyfish, anemones, and corals
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The body form of a jellyfish
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Medusa
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The stingers typical of all members of this
phylum
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Nematocysts
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The sessile body form
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Polyp
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The class that makes large rock-like structures
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Corals
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The common name for this phylum
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Flat worms
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The free-living organism of this phylum known for
their ability to regenerate
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Planaria
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The flatworm commonly found in the intestines
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Tapeworm
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The flatworm with a complex life cycle involving
2 or more hosts
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Flukes
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The head of a tapeworm with suckers and hooks
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Scolex
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The common name for this phylum
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Roundworms
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The number of openings to the gut of nematodes
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2 (mouth and anus)
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The reason that roundworms wriggle
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They only have circular muscles
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Some roundworms are parasites, the rest are this
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Free-living
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Roundworms do not have a true coelom, they have
this
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Pseudocoelom
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A body cavity lined with mesoderm
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Coelom
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The cavity in a cnidarian
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Gastrovascular cavity
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The body segments of a tapeworm
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Proglottids
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The planarians protruding mouthpart
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Pharynx
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___ have flat, solid bodies
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Flatworms