SBI 3U Ms. Girvan Date: __________________ The Function of Digestion Instructions: Read Section 10.1 (p.402-409) and complete the following questions. 1. What is the difference between an inorganic molecule and an organic molecule? Provide an example of each. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 2. Define the following terms: Macromolecule: ________________________________________________________________________ ________________________________________________________________________ Metabolism: ________________________________________________________________________ ________________________________________________________________________ Essential Nutrient: ________________________________________________________________________ ________________________________________________________________________ 1 3. What are the FOUR major macromolecules? ________________________________________________________________________ ________________________________________________________________________ 4. Distinguish between monosaccharides, disaccharides and polysaccharides. Provide an example of each. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 5a. What are vitamins and minerals? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ b. Choose ONE vitamins and ONE mineral and list their key functions in the body. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 2 6. What are some of waters main roles in the body? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 7. Complete the follow chart for the different animal feeding mechanisms: Type of Feeding Mechanism Description Example Filter Feeder Substrate Feeder Fluid Feeder Bulk Feeder 3 8. Describe the FOUR stages of food processing: 1. 2. 3. 4. 9. Distinguish between chemical and mechanical digestion. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 10. What would account for the difference in length of the digestive tracts between a herbivore (ex. rabbit) and a carnivore (ex. fox)? ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ 4