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book Zoology 8th Edition by Stephen Miller,John Harley cover

Zoology 8th Edition by Stephen Miller,John Harley

النسخة 8الرقم المعياري الدولي: 978-0073028200
book Zoology 8th Edition by Stephen Miller,John Harley cover

Zoology 8th Edition by Stephen Miller,John Harley

النسخة 8الرقم المعياري الدولي: 978-0073028200
تمرين 20
Among those turbellarians possessing a digestive cavity, digestion is
A) extracellular only.
B) intracellular only.
C) accomplished before food is ingested.
D) both extracellular and intracellular.
E) accomplished in the pharynx.
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Zoology 8th Edition by Stephen Miller,John Harley
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