Biology: Concepts and Investigations
4th Edition
ISBN: 9780078024207
Author: Mariëlle Hoefnagels Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 32, Problem 3WIO
Biologists estimate that carnivores assimilate 90% of the mass in their diet; in contrast, most herbivores assimilate only 30% to 60% of their food . How do these differences in assimilation efficiency re late to the structure of their
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Chapter 32 Solutions
Biology: Concepts and Investigations
Ch. 32.1 - What are two reasons that animals must eat?Ch. 32.1 - Prob. 2MCCh. 32.1 - Prob. 3MCCh. 32.1 - How does the mechanical breakdown of food speed...Ch. 32.1 - Define the terms herbivore, carnivore,...Ch. 32.2 - Prob. 1MCCh. 32.2 - Prob. 2MCCh. 32.2 - Compare and contrast the digestive systems of an...Ch. 32.3 - Prob. 1MCCh. 32.3 - Describe the functions of saliva, teeth, and the...
Ch. 32.3 - Prob. 3MCCh. 32.3 - Prob. 4MCCh. 32.3 - Prob. 5MCCh. 32.3 - Prob. 6MCCh. 32.3 - Prob. 7MCCh. 32.4 - Prob. 1MCCh. 32.4 - Describe the relationship of body weight to...Ch. 32.4 - Prob. 3MCCh. 32.4 - Prob. 4MCCh. 32.5 - How did the researchers analyze the bacterial...Ch. 32.5 - Prob. 2MCCh. 32 - Prob. 1MCQCh. 32 - Prob. 2MCQCh. 32 - Prob. 3MCQCh. 32 - Prob. 4MCQCh. 32 - Prob. 5MCQCh. 32 - Prob. 6MCQCh. 32 - Prob. 1WIOCh. 32 - Prob. 2WIOCh. 32 - Biologists estimate that carnivores assimilate 90%...Ch. 32 - Prob. 4WIOCh. 32 - Prob. 5WIOCh. 32 - Prob. 6WIOCh. 32 - Prob. 7WIOCh. 32 - Prob. 8WIOCh. 32 - Prob. 9WIOCh. 32 - Prob. 10WIOCh. 32 - Prob. 11WIOCh. 32 - Prob. 12WIOCh. 32 - Refer to figure 32.22 and the chapter content to...Ch. 32 - Prob. 2PITCh. 32 - 3. How would removing the gallbladder affect the...
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- How does human anatomy indicate that our primate ancestors were not strict vegetarians?arrow_forwardCompare how the anterior portion of the alimentary canal (from the mouth to the end of the stomach) of the crayfish and the pig carry out mechanical and chemical digestionarrow_forwardComplete the following table 6 Feeding Mechanisms and types of digestive system of some animalarrow_forward
- Why is it important to know and be familiar with the digestive systems of farm animals?arrow_forwardConsider the overall goal(s) of the digestive system. a) Describe the major goal(s) of the digestive system: b) What are the differences between mechanical and chemical digestion, what is each used for? c) Walk through the basic process of digestion, specifically in chordates, from beginning to end. What structures help to accomplish these processes?arrow_forwardThe small intestine of the pig has significantly more surface area (through folds and villi) than that of the frog, and if you were to remove them, the small intestine of the pig is several times longer than that of the frog. This additional surface area maximizes nutrient absorption by the pig. Why might the pig need more energy from its food than the frog?arrow_forward
- Discuss hypotheses for why Burmese pythons deconstruct theirdigestive systems between meals. Similarly, discuss hypotheses forwhy small birds and mammals, having lengthened their intestinesduring cold seasons, permit their intestines to shorten during warmseasons. In other words, why might natural selection favor plastic,rather than static, gastrointestinal morphology?arrow_forwardHow is the phenotypic plasticity of intestines an adaptation to variable food availability?arrow_forwardWhen the enzyme pepsin breaks proteins into peptides in a fish stomach, this is an example of chemical digestion. This statement is (T/F). • If true, enter x in the blanks below. • If false, then how would you change the sentence to make it correct? You can change two words at most. Changes that just reverse the meaning (e.g. changing "is" to "isn't" or "all" to "none") will not earn credit. I would change the word(s) to the word(s) to make the sentence correct.arrow_forward
- Which size of small intestine does herbivores need?arrow_forwardIt’s one question and for each part just need a brief description.arrow_forwardwhy are Ruminants able to thrive even if they do not get all the essential nutrients in their diets, while mono-gastric animals are not so fortunate and will show signs of malnutrition if these nutrients are not in their feed?arrow_forward
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