BIOLOGY
BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 46.1, Problem 3LO
Summary Introduction

To describe: The tissue layers of the digestive tract.

Introduction: The organisms that produce their own food are called autotrophs. The organisms that depend on autotrophs for food are called heterotrophs. Heterotrophs have specialized organs for digesting the food obtained from plants and animals.  The digestive system functions to digest the food and absorb the nutrients from food.

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Human digestive system - How it works! (Animation); Author: Thomas Schwenke;https://www.youtube.com/watch?v=X3TAROotFfM;License: Standard Youtube License