Aquatic Parasites and Jellyfish
- Cnidaria
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![Icon_Cnidaria.gif](fgIcons/Icon_Cnidaria.gif) |
Flatworms
- Platyhelminthes
Have no body cavity, but are bilaterally symmetrical with 3 layers of tissues and organ systems.
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![Icon_Tapeworm.gif](fgIcons/Icon_Tapeworm.gif) |
Mollusks
- Mollusca
Soft bodied animals with an internal or external shell and a toothed tongue or radula. Have a mantle that lines and secretes the shell and a muscular foot that allows for movement.
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![iconMussel.gif](fgIcons/iconMussel.gif) |
Rotifers
- Rotifera
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![Icon_Rotifera.gif](fgIcons/Icon_Rotifera.gif) |
Roundworms
- Nematoda
Small, slender worms. Head is radially symmetrical, body is bilaterally symmetrical. Has tubular digestive systems with openings at both ends.
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![Icon_Nematode.gif](fgIcons/Icon_Nematode.gif) |
Segmented Worms
- Annelida
Long cylindrical body. Have a fluid-filled cavity (coelom) between the outer body wall and the gut that is typically segmented into a series of compartments.
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![iconEarthwormsLeeches.gif](fgIcons/iconEarthwormsLeeches.gif) |
Spiders, Insects, and Crustaceans
- Arthropoda
Invertebrates with an exoskeleton, bilaterally symmetrical and segmented body with pairs of jointed limbs.
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![iconSpiders.gif](fgIcons/iconSpiders.gif) |
Sponges
- Porifera
Simplest of all animals. Multicellular, sedentary, and covered with pores. Specialized cells, but no tissues or organs.
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![iconSponge.gif](fgIcons/iconSponge.gif) |
Tardigrades
- Tardigrada
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![Icon_Tardigrade.gif](fgIcons/Icon_Tardigrade.gif) |
Vertebrates
- Craniata
Have skulls and backbones.
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![iconBison.png](fgIcons/iconBison.png) |