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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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11y ago

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More answers

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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Wiki User

11y ago
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Onasanya Oluwakemi

Lvl 1
2y ago
Yes but not really

one is cute one is stupid

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Wiki User

16y ago
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Earthworm has a long and straight single intentions

While planaria has diffused diverticular

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Anonymous

4y ago
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Q: What is the difference between a planarian and earthworm's digestive system?
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