Chapter Guide


	Chapter Chapter 21: Nutrition & Digestion

	Chapter Guide

	Pre-Test Lobster Mouth Parts (21.1) Whale Eating a Seal (21.1) Hydra Eating Daphnia (time-lapse) (21.3) Key Concepts Quiz 21A: Digestive System Function (21.11) What Role Does Amylase Play in Digestion? (21.11) Key Concepts Quiz Key Concepts Quiz Key Concepts Quiz Activities Quiz Chapter Quiz