Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 41, Problem 10TYPSS
Summary Introduction
To review:
A hypothesis to explain that among the vertebrates the large intestine is present only in primarily terrestrial lineages.
Introduction:
The terrestrial animals or vertebrates (like amphibians, mammals, and reptiles) live on the land. They continuously lose a large amount of water from the body. This water loss from their body is compensated by the reabsorption of water through the absorptive surfaces of the large intestine.
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- Figure 16.7 Which of the following statements about the digestive system is false? a. Chyme is a mixture of food and digestive juices that is produced in the stomach. b. Food enters the large intestine before the small intestine. c. In the small intestine, chyme mixes with bile, which emulsifies fats. d. The stomach is separated from the small intestine by the pyloric sphincter.arrow_forwardWhich among the structural modification increase the internal surface of the intestine in both vertebrates and invertebratesarrow_forwardWhy is the incisors of rodents (such as mice and rats) are larger than humans?arrow_forward
- Which structural modifications vastly increase the internal surface area of the intestine (both invertebrate and vertebrate), and why is this large surface area important?arrow_forwardIdentify and describe structural modifications of the wall of the small intestine that enhance the digestive process.arrow_forwardCompare the structure of the human liver with that of the fetal pig.arrow_forward
- Does the type of diet of the insect affect the structure of organs/parts of the digestive system? Cite at least four structures and explain such adaptation. Make sure that each division of the digestive system should be represented. Elaborate.arrow_forwardExplain how digestive system works in animals. Name the four compartments of the stomach of ruminant. Which two are located primarily on the left side? Which is the largest? Which is the true “chemical stomach”?arrow_forwardTapeworms sometimes infect the human alimentary canal, anchoring themselves to the wall of the smallintestine. Based on how digestion is compartmentalized along the mammalian alimentary canal, whatdigestive functions would you expect these parasites to have?arrow_forward
- Tapeworms sometimes infect humans, anchoring themselves to the wall of the small intestine. Based on how digestion is compartmentalized along the mammalian alimentary canal, what digestive functions would you expect these parasites to have?arrow_forwardThe primary function of the large intestine is to concentrate wastes into solid form (feces) for release from the body. How does it accomplish this? a. By adding additional cells from the mucosal layer b. By absorbing water c. By releasing salt d. All of these are methods used by the large intestine.arrow_forwardDoes the type of diet of the insect affect the structure of organs/parts of the digestive system? Cite at least four structures and explain such adaptation. Make sure that each division of the digestive system should be represented. Elaborate in your own words.arrow_forward
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