Coelenterata (Cnidaria) Flashcards by Kanishka Motiramani

Q

habitat

A

aquatic (mostly marine)

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Q

symmetry

A

radial

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Q

cnidaria name is derived from

A

cnidoblasts / cnidocytes

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Q

cnidoblasts contain stinging capsules called

A

nematocysts

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Q

level of organisation

A

tissue

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Q

germ layers

A

diploblastic

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Q

mouth is called

A

hypostome

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Q

is digestion intracellular or extracellular

A

both

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Q

which cnidarians have a skeleton of calcium carbonate

A

corals

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Q

examples of polyp

A

hydra
adamsia

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Q

example of medusa

A

aurelia

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Q

alternation of generation is called

A

metagenesis

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Q

which cnidarian shows metagenesis

A

obelia

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Q

examples of cnidaria

A

physalia
adamsia
pennatula
gorgonia
meandrina

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Q

common name for physalia

A

portuguese man of war

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Q

common name for adamsia

A

sea anemone

Q

common name for pennatula

A

sea pen

Q

common name for gorgonia

A

sea fan

Q

common name for meandrina

A

brain coral