
Zoology 8th Edition by Stephen Miller,John Harley
Edition 8ISBN: 978-0073028200
Zoology 8th Edition by Stephen Miller,John Harley
Edition 8ISBN: 978-0073028200 Exercise 51
Among the flatworms, when a digestive tract is present, it has
A) a single opening, the mouth.
B) two openings, mouth and anus.
C) a single opening, the anus.
D) no external opening.
E) a nephridiopore opening.
A) a single opening, the mouth.
B) two openings, mouth and anus.
C) a single opening, the anus.
D) no external opening.
E) a nephridiopore opening.
Explanation
Zoology 8th Edition by Stephen Miller,John Harley
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