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Annelid worms
Arthropods
Cniderians
Echinoderms
Flatworms
Mollusks
Round worms
Sponges
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Round worms
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Round worms
Digestive system-
Nervous system-
Body plan
Picture
Positive impact on humans
Negative impact on humans
1 interesting fact
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Digestive system-
Nervous system-
Body plan
Picture
Positive impact on humans
Negative impact on humans
1 interesting fact