Identify the various forms of tropisms. Describe the influence of light and darkness. Anatomy Review Questions Chapter 41Animal Nutrition A. Digestive Structures 1. Describe the digestive structures of the earthworm 2. B. Food 1.
Food is divided up into energy food and nonenergy food.
Trace a cheeseburger through the digestive system. Compare extracellular and intracellular digestion. Chapter 42 Circulation and Gas Exchange A. Circulation 1. Identify the structures of the circulatory system 2. Describe the various types of blood cells 3.