Phylum Cnidaria Flashcards by Rosie Adams

Q

What are the 3 classes within phylum cnidaria?

A

1) Hydrozoa
2) Schyphozoa
3) Anthozoa

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Q

what are the hydrozoans?

A

hydra

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Q

what are the scyphozoans?

A

jellyfish

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Q

what are the anthozoans?

A

sea anemones and corals

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Q

name one feature of corals?

A

they have a calcium carbonate ‘skeleton’

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Q

describe Hydrozoa?

A

small and plant like - most form colonies

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Q

what symmetry are cnidarians?

A

radially symmetrical

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Q

how many body layers do cnidarians have?

A

2

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