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 15TYK
Apply Evolutionary Thinking What is the advantage of a tubelike
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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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- Compare and contrast the structures of a solid-food-specialized insect digestive tract with one modified for a liquid diet.arrow_forwardexplain how vertebrate digestive systems are specialized for different diets?arrow_forwardNutrition 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_forward
- Describe the main difference between the planarian and vertebrate digestive systems. Question 13 options: The planarian does not have digestive system. The planarian digestive system is a branching gut sac that only has one opening to the environment. The planarian digestive system has a body opening to the environment on both of its ends, but a vertebrate digestive system does not. The vertebrate digestive system does not have as many highly specialized organs as that of vertebrates.arrow_forwardDiscuss in detail the digestive system of frog?arrow_forwardDiscuss in detail how the Digestive system evolved in the shark, pigeon and cat. Cite your references.arrow_forward
- Define the advantage of a digestive system with two openings have relative to digestive systems with only a single opening (like that of the flatworms).arrow_forwardList a diversity of ways some simple animals obtain nutrition without a complete digestive tractarrow_forwardCould you explain the enteric nervous system of the digestive system, these points in detail? specialised cells called pacemakers generates rhythmic contractions by stimulating smooth muscle contraction. sensory neurons in digestive system provide feedback. parasympathetic neuron "tweak" the rhythm.arrow_forward
- Which of the following is true about digestion and digestive tracts? Check all that apply. Intracellular digestion is common amongst herbivores because cellulose needs to be broken down. Intracellular digestion is common amongst herbivores because cellulose needs to be broken down. Animals with an incomplete digestive tract have a body cavity with one opening.Animals with an incomplete digestive tract have a body cavity with one opening. Carnivores have more digestive organs than do herbivores due to the need to break down meat. Carnivores have more digestive organs than do herbivores due to the need to break down meat. An animal that eats more plants likely has a larger cecum than an animal that eats fewer plants.An animal that eats more plants likely has a larger cecum than an animal that eats fewer plants. Extracellular digestion occurs in cnidarians, annelids, and vertebrates.Extracellular digestion occurs in cnidarians, annelids, and vertebrates. Animals…arrow_forwardExperiments have been done on mice where they take away nucleic acids from their diets. Their findings showed that the mice without nucleic acids in their diet grew more slowly and also has shorter villi in their small intestines. Why might it make sense that a mouse with shorter intestinal villi would have slower growth? 1-Shorter villi in the small intestine would mean a reduced ability to absorb food only. 2-Shorter villiv inthe small intestine would mean a reduced aboilty to dihgest food and a reduced ability to absorb food. 3-Shorter villi in the small intestine would mean a reduced ability to digest food only. 4-shorter villi in the small intestine would mean a reduced ability to digest food and an increased ability to absorb food.arrow_forwardcompare the scypha, hydra, dugesia to ascaris and earthworm Do you see a body cavity aside from the intestinal cavity? You may also look at dissected Ascaris and earthworm. Is there a mesentery that suspends the intestine from the body wall in these animals?arrow_forward
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