The gills

  • Created by: Smalish
  • Created on: 10-02-17 22:40
The respiratory sytem of protists, sponges and cnidarians are essentially not...
specialized
1 of 9
Echinoderms are known to have a skeleton made of ...
calcium
2 of 9
They don't have true respiratory organs, but they have small dermal "gills"...
echinoderms
3 of 9
Specialized respiratory organs have the advantage of mainly increasing...
the surface exchange
4 of 9
Some marine annelids may use their respiratory organs for another purpose...
nutrition
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Considered as the most primitive gills and "penne"-shaped, they are...
external gills
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External gills mostly found within (clade)...
invertebrates
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Musclous axis composed of thin membranes...
external gills
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From which layer external gills originates ?
ectodermic
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Other cards in this set

Card 2

Front

Echinoderms are known to have a skeleton made of ...

Back

calcium

Card 3

Front

They don't have true respiratory organs, but they have small dermal "gills"...

Back

Preview of the front of card 3

Card 4

Front

Specialized respiratory organs have the advantage of mainly increasing...

Back

Preview of the front of card 4

Card 5

Front

Some marine annelids may use their respiratory organs for another purpose...

Back

Preview of the front of card 5
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