Chapter 41: Animal Nutrition
pgs. 875 - 896
Concept check: 41.1 (3), 41.2 (1 & 2), 41.3 (1 – 3), 41.4 (1 – 3)
Testing your knowledge: 1 - 9
1. List and briefly describe each of the 4 stages of the digestive process.
2. Contrast the 4 different ingestion modes and list an animal that utilizes each that is not listed in
the powerpoint or your book.
3. a) Contrast the 3 different types of heterotroph diets. b) For each type of diet, briefly discuss the
specialization of their teeth. c) Give an example not listed in the powerpoint or your book.
4. Contrast intracellular and extracellular digestion.
5. How does compartmentalized digestion follow the evolution of animals?
6. For each of the biological macromolecules (e.g. carbohydrates, proteins, lipids, and nucleic
acids) list all compartments they are digested in and an example of enzyme that digests them.
7. List the terms that apply to food stuffs as they travel through the digestive tract.
8. What are 2 of the 4 important components of saliva and what do they do?
9. Why does talking with your mouth full increase the likelihood of you choking?
10. List each of the primary cell types found in the stomach, what their secretions are, and what
they each do.
11. Briefly discuss the role of sphincters in two of the digestive tract ailments discussed (i.e. acid
reflux, gastric ulcers, diarrhea, constipation).
12. Explain how adaptations such as rugae in the stomach of folding in the small intestines fit the
function of those organs.
13. Contrast the digestive tract of a carnivore and a herbivore.
14. Why does corn (and other vegetables) generally look the same coming out of a human digestive
system and it did going in?
15. What is the benefit of animals such as rabbits, rodents, and ruminants in terms of their ingestion
16. What is the major difference between vitamins and minerals?
17. Contrast undernourishment, malnourishment, and overnourishment.