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What is the bottom side of the worm called?

User Spycho
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Find the anterior (front) end of the earthworm by locating the fleshy bump over its mouth, called the prostomium. The posterior (back) end has a small hole where solid waste is expelled, called the anus. ... Notice that the earthworm has a rounded dorsal (back) surface and a flatter ventral (belly) surface
User RommelTJ
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Answer:

The back side is called the Anus, The front side is called the prostomium

Step-by-step explanation:

User Corbella
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