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Earthworms belong to phylum Annelida, they are tube structured organisms living in soil. They have segmented body.

Sponges belong to phylum Porifera, they are marine dwellers and they are sessile organisms found in beautiful colours in ocean floor.

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10y ago
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Wiki User

10y ago

the planarian digestive system is incomplete (it doesn't end up in an anus) while the earthworm digestive system is complete (it runs from the mouth to the anus).

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Onasanya Oluwakemi

Lvl 1
1y ago
Yes but not really

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Wiki User

15y ago

one is cute one is stupid

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Anonymous

Lvl 1
4y ago

Earthworm has a long and straight single intentions

While planaria has diffused diverticular

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Q: What is the difference between a planarian and earthworm's digestive system?
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