Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 47, Problem 4TYK
Summary Introduction
Introduction:
Earthworm is one of the most common annelids that we come across. It is a deposit feeder and shows extracellular
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Vertebrates 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?
A What is a gastrovascular cavity?
B Give an example of an animal that has a gastrovascular cavity.
C What is a complete digestive tract?
The mammalian trachea and esophagus both connect to the(A) pharynx.(B) stomach.(C) large intestine.(D) rectum.
Chapter 47 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 47.1 - Prob. 1SBCh. 47.1 - Prob. 2SBCh. 47.1 - What is the difference between deposit feeders and...Ch. 47.2 - Prob. 1SBCh. 47.2 - Prob. 2SBCh. 47.3 - Prob. 1SBCh. 47.3 - Prob. 2SBCh. 47.3 - Prob. 3SBCh. 47.3 - Prob. 4SBCh. 47.4 - Prob. 1SB
Ch. 47.4 - Prob. 2SBCh. 47.5 - How are the different types of teeth used in...Ch. 47.5 - What roles do symbiotic microorganisms play in...Ch. 47 - Prob. 1TYKCh. 47 - Prob. 2TYKCh. 47 - The order of successive steps in digestion is: a....Ch. 47 - Prob. 4TYKCh. 47 - Prob. 5TYKCh. 47 - Prob. 6TYKCh. 47 - If the fat in whole milk is ingested: a. the...Ch. 47 - The role of the liver in digestion is to: a....Ch. 47 - Prob. 9TYKCh. 47 - Prob. 10TYKCh. 47 - Prob. 11TYKCh. 47 - Prob. 12TYKCh. 47 - Prob. 13TYKCh. 47 - Prob. 14TYKCh. 47 - Apply Evolutionary Thinking What is the advantage...Ch. 47 - The human AMY-1 gene encodes salivary amylase, an...Ch. 47 - Prob. 2ITDCh. 47 - Prob. 3ITD
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- What is true about a gastrovascular cavity? Group of answer choices a. It has generally evolved to have as little surface area as possible b. It is usually found in conjunction with a complete digestive system c. In some species, it plays a role in the animal's movement d. It has two openings, an entrance for food and an exit for waste e. It allows for compartmentalization of digestive functionsarrow_forwardWhich of the following has a complete digestive system? a. tapeworms c. cnidarians b. sponges d. earthwormsarrow_forwardWhich of the following is an accessory organ? A. Esophagus B. Liver C. Colon D. Moutharrow_forward
- A scientist dissects a new species of animal. If the animal’s digestive system has a single stomach with an extended small intestine, to which animal could the dissected specimen be closely related? a. lion b. snowshoe hare c. earthworm d. eaglearrow_forwardWhich one of the following is not a function of the liver? A. Regulation of blood sugar B. Enzyme activation C. Detoxification D. Reproductionarrow_forwardExplain in your own words: What are the unique anatomical structures observed in birds to carry out thefunctions of digestion? Elaborate on these unique structures and provide reasons for theappearance of these unique structures.arrow_forward
- Do you think that the digestive system of humans is similar to those of other animals? Where might you see the most prominent differences especially between humans and animals with different diets?arrow_forwardIn the famous conditioning experiment, Pavlov demonstrated that his dogs started drooling in response to a bell sounding. What part of the digestive process did he stimulate? a. cephalic phase b. gastric phase c. intestinal phase d. elimination phasearrow_forwardFrom the moment you start to eat an apple, different organs in the body work together to complete the process of digestion. What is the advantage of having multiple organs in the process of digestion? A. The process is more energy-efficient, and organs can perform more than one function simultaneously B. Different systems can compensate for another if the responsible system fails C. Different organs act independently as a transportation system until digestion is complete D. Each organ has a specific function and is specialized to allow the body to supply the correct nutrientsarrow_forward
- Compare the digestive systems of a flatworm and a human. Can you include examplesthe of the structures found in the digestive systems of both organisms.arrow_forwardThe tube that connects the mouth to the stomach is the _____. a) trachea b) pancreas c) esophagus d) liverarrow_forwardChemical and mechanical digestion begins in thea. stomach. c. esophagus.b. pharynx. d. moutharrow_forward
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