cnidarian classes Flashcards by Alex Serrell | Brainscape

Q

freshwater and marine

A

hydrozoans

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Q

no medusa

A

anthozoans

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Q

typically dimorphic

A

hydrozoans

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Q

medusa dominate

A

scyphozoans and cubozoans

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Q

solitary

A

scyphozoans and cubozoans

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Q

velum absent

A

scyphozoans

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Q

often colonial

A

hydrozoans

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Q

some colonies are thecate

A

hydrozoans

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Q

multiple types of polyps in same colony

A

hydrozoans

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Q

hydra, lobelia, physalia (man-o-war) all examples

A

hydrozoans

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Q

“cup animal”

A

scyphozoans

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Q

highly toxic

A

cubozoans

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Q

mesoglea often quite substantial

A

scyphozoans

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Q

conspicuous oral arms extending from manubrium

A

scyphozoans

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Q

valerium instead of velum

A

cubozoans

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Q

rhopalia

A

scyphozoans and cubozoans

Q

square shaped bell

A

cubozoans

Q

sea pens, gorgonians

A

anthozoans

Q

gastrovascular cavity subdivided by septa

A

anthozoans

Q

gonads present in polyps, derived from endoderm/gastroderm

A

anthozoans