Cnidarians
JJ Wright & Jack Weidenbach
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Groups/Divisions of Cnidarians
Anthozoa
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Sea fans
Corals
Sea pens
Sea anemones
Cubozoa
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Chironex fleckeri
Tripedalia cystophora
Catostylus mosaicus
Hydrozoa
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Athecate Hydroids
Thecate Hydroids
Siphonophores
Scyphozoa
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Helmet Jelly
Lion's Mane Jellyfish
Moon Jelly
Reproductive Habits and Development
Body plan/symmetry
Tissues, organs and cell specialization
Feeding mechanisms and digestion.
Body coverings/skin
Respiration
Circulation
Excretion
Locomotion/Appendages
Skeleton and musculature
Nervous system control
Life history/fossil record
Ecological/economical importance
Bibliography
Method of Respiration
Cnidaria respirate by the process of diffusion.
The cnidaria get its oxygen from the water taken in through the
gastrovacular cavity, which
diffuses directly through the tissues of the cnidarian.
(
http://www.mesa.edu.au/cnidaria/)
Smile-makers