Phylum Cnidaria Flashcards Preview

Animal Diversity - year 2 > Phylum Cnidaria > Flashcards

Flashcards in Phylum Cnidaria Deck (8)
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1
Q

What are the 3 classes within phylum cnidaria?

A

1) Hydrozoa
2) Schyphozoa
3) Anthozoa

2
Q

what are the hydrozoans?

A

hydra

3
Q

what are the scyphozoans?

A

jellyfish

4
Q

what are the anthozoans?

A

sea anemones and corals

5
Q

name one feature of corals?

A

they have a calcium carbonate ‘skeleton’

6
Q

describe Hydrozoa?

A

small and plant like - most form colonies

7
Q

what symmetry are cnidarians?

A

radially symmetrical

8
Q

how many body layers do cnidarians have?

A

2