Ribbon Worms

The RIBBON WORMS are the simplest animals to possess a circulatory system and a gut with a separate mouth and anus. The body is usually long and slender and is often extended greatly during movement. Most species are less than 20 cm (8 inches) long, but the giant species may reach a length of 30 m (100 feet).

RIBBON WORM

 FACT:Some Ribbon Worms eat themselves when they don't find food.

Filed Under : #anus #circulatory system #eat #gut #mouth #ribbon nworms #themselves

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anus circulatory system eat gut mouth ribbon nworms themselves

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