Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 41, Problem 9TYU
EVOLUTION CONNECTION Lizards and snakes cannot breathe while chewing food because the connection between their external nostrils and their esophagus is in the mouth. In contrast, mammals can continue breathing through the nostrils while chewing food in the mouth. However, choking sometimes occurs when the paths of air and food cross each other. Thinking about the high oxygen demand of active endotherms, explain how the concept of descent with modification explains this "imperfect" anatomy of some amniotes (see Figure 34.2 to review vertebrate phylogeny).
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Evolution Connection Lizards and snakes cannotbreathe while chewing food because the connection betweentheir external nostrils and their esophagus is in the mouth.In contrast, mammals can continue breathing throughthe nostrils while chewing food in the mouth. However,choking sometimes occurs when the paths of air and foodcross each other. Thinking about the high oxygen demandof active endotherms, explain how the concept of descentwith modification explains this “imperfect” anatomy of someamniotes (see Figure 34.2 to review vertebrate phylogeny).
How is the internal anatomy of the Perch (bony fish) similar to and different from the shark? How does the anatomy of the digestive system influence the food preference of the perch, compared to that of the shark? What is the comparison of both the shark and the perch in their buoyancy mechanisms and their oxygen/carbon dioxide exchange?
Please answer this fully because last time someone didn't answer this correctly and wasted one of my question credits.
All vertebrates breathe with either gills or lungs. Which is a property of gills only and not lungs?
Chapter 41 Solutions
Campbell Biology (11th Edition)
Ch. 41.1 - An animal requires 20 amino acids to make...Ch. 41.1 - Prob. 2CCCh. 41.1 - WHAT IF? If a zoo animal eating ample food shows...Ch. 41.2 - Prob. 1CCCh. 41.2 - In what sense are nutrients from a recently...Ch. 41.2 - Prob. 3CCCh. 41.3 - Explain why a proton pump inhibitor, such as the...Ch. 41.3 - Thinking about our nutritional needs and feeding...Ch. 41.3 - Prob. 3CCCh. 41.4 - Prob. 1CC
Ch. 41.4 - What features of a mammal's digestive system make...Ch. 41.4 - WHAT IF? "Lactose-intolerant" people have a...Ch. 41.5 - Explain how people can become obese even if their...Ch. 41.5 - WHAT IF? Suppose you were studying two groups of...Ch. 41.5 - Prob. 3CCCh. 41 - Prob. 41.1CRCh. 41 - Propose an artificial diet that would eliminate...Ch. 41 - Prob. 41.3CRCh. 41 - How does human anatomy indicate that our primate...Ch. 41 - Prob. 41.5CRCh. 41 - Fat digestion yields fatty acids and glycerol....Ch. 41 - The mammalian trachea and esophagus both connect...Ch. 41 - Which of the following organs is incorrectly...Ch. 41 - Prob. 4TYUCh. 41 - Prob. 5TYUCh. 41 - After surgical removal of the gallbladder, a...Ch. 41 - If you were to jog 1 km a few hours after lunch,...Ch. 41 - DRAW IT Create a flowchart to summarize the events...Ch. 41 - EVOLUTION CONNECTION Lizards and snakes cannot...Ch. 41 - SCIENTIFIC INQUIRY In human populations of...Ch. 41 - WRITE ABOUT A THEME: ORGANIZATION Hair is largely...Ch. 41 - SYNTHESIZE YOUR KNOWLEDGE Hummingbirds are well...
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- Figure 39.7 Which of the following statements about the mammalian respiratory system is false? When we breathe in, air travels from the pharynx to the trachea. The bronchioles branch into bronchi. Alveolar ducts connect to alveolar sacs. Gas exchange between the lung and blood takes place in the alveolus.arrow_forwardEVOLUTION LINK Aquatic mammals such as whales and dolphins use lungs rather than gills for gas exchange. Propose a hypothesis to explain why.arrow_forwardCreate a concept map, that includes the three systems (digestive, circulatory, and respiratory system). You need to describe what is happening in your body when you eat and breathe. use limited words, but it should be descriptive tooarrow_forward
- Which of the following animals uses a tracheal system to breathe? -Insects -Crayfish -Brittle stars -Fleshy-lobe finned fish -None of the abovearrow_forwardWhich of the following is true regarding evolutionary changes in morphology of dentition over time in our evolutionary lineage? Group of answer choices The reduction in size of canines the reduction in the size of the third premolar The increase in the total number of teeth The increase in enamel thickness the increase in the size of molars and caninesarrow_forwardIn insects, the respiratory system involves structures called tracheal tubes. How do the tracheal tubes provide oxygen to the insects body?arrow_forward
- "In fish without a tube connecting the gastrointestinal tract to the gas bladder, how is the gas bladder filled?" Physoclistous fish release CO2 into into their gas bladders instead of excreting it from their gills. O2 is released from a capillary bed into the gas gland when the blood is acidified. CO2 is produced through aerobic metabolism by special cells in the gas gland. "O2, CO2, and N2 bubble out of the blood into the gas gland as fish ascend toward the surface. "arrow_forwardA four-chambered heart, with a complete septum between the left ventricle and the right ventricle, makes the warm-blooded condition possible for all of the following vertebrate groups except: modern placental mammals (like the beaver) modern amphibians (like the frog) modern monotremes (like the platypus) modern birds (like the bald eagle) modern marsupials (like the kangaroo)arrow_forwardThe mammalian trachea and esophagus both connect to the(A) pharynx.(B) stomach.(C) large intestine.(D) rectum.arrow_forward
- Nutrition and Digestion Identify the different modes of feeding mechanisms found in the Animal Kingdom, describe each and give 2 example animals for each mode. Why do Cnidarians, Flatworms and Protists have simple or no extensively developed digestive system? (clue: mention their digestive structure and their mode of feeding) What are the structural adaptations of snakes that allowed them to eat and digest a whole prey? Why do insects of one species have a changing diet requirement during their life history? Different birds have varying food habits, discuss the structural and physiological adaptations that allow them to process these foods. What are the four stages of the digestive process, describe each stage/step and indicate what are the products/substances produced and their fate? Discuss the role of the endocrine system in controlling digestion. (no plagiarism pls, thank u!)arrow_forwardVertebrates have a complete digestive system, which means that their digestive tract has two openings, a mouth and an anus. What are some of the evolutionary advantages among animals with a complete digestive tract?arrow_forwardIn mammals , the evolution/ development of the organs of the digestive system is closely related to a) the release of inducer molecules by specific cells b) the specialization of epithelial cells of the endoderm c) the specialization of neurocytes from the ectoderm d) the specialization of stem cells from the mesoderm to from blood vessels e) all of these occur as the digestive system developsarrow_forward
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