CAMPBELL BIOLOGY (18W)
CAMPBELL BIOLOGY (18W)
12th Edition
ISBN: 9780136858256
Author: Urry
Publisher: PEARSON
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Chapter 41.2, Problem 1CC
Summary Introduction

To explain: Difference in structures of gastro-vascular cavity and alimentary canal.

Concept introduction:

The digestion of food particles starts at the gastrovascular cavity. The digestive compartment called gastro-vascular cavity has only a single opening.

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