An earthworms digestive anatomy is designed so that this animal can feed more frequently than an animal such as a sea anemone. Which of the following explains this relationship?

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    A sea anemone cannot ingest its food.
    An earthworm has a highly efficient ruminant stomach.
    An earthworm has a tubular digestive tract, while a sea anemone has a digestive system with only one opening.
    A sea anemone does not produce any digestive enzymes.

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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An earthworm has a tubular digestive tract, while a sea anemone has a digestive system with only one opening.
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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