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6 Cards in this Set

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  • Back
Cnidaria
Corals, anemones, jellyfish
sessile
specialized stinging cells
no coelom, not segmented
Platylhelminthes
Tapeworms, flukes, planaria
no coelom
not segmented
some parasitic (tapeworm, fluke) and some not (planaria, ingests food through tube-like proboscis)
Annelida
Earthworms, leeches
Have coelom, mantle
not segmented
Arthropoda
Insects, spiders, millipedes, lobsters, crayfish, flies
exoskeleton, jointed appendages, coelom, segmented body
Echinodermata
Starfish, sea urchins, sea cucumbers, sand dollars
"Spiny skin"
five-fold symmetry
have coelom
not segmented
Chordata
Reptiles, fish, mammals, amphibians, birds, amphioxus
Dorsal nerve cord
notochord
pharyngeal gill slits
coelom
not segmented
many have jointed appendages