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Three Organisms: Hydra, Flatworm, and Earthworm
06.03.2009
The Hydra, unlike other animals with an anus and rectum, uses the same opening for both taking in food and eliminating wastes. Its intracellular and extracellular digestive processes are detailed in the drawing I have made. It is the simplest of anim...

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Added by: ZuKu
Category: Essay and Stories
Course: Science, Veterinary Science, Health Sciences
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