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Concept explainers
Introduction:
Animal nutrition focuses on the dietary needs of animals, primarily those in agriculture and food production, but also in zoos, aquariums, and wildlife management. There are seven major classes of nutrients: carbohydrates, fats, fibre, minerals, proteins, vitamins, and water.
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Answer to Problem 1TY
The correct answer is option (d) digestion.
Explanation of Solution
Explanation/justification for the correct answer:
Option (d) digestion. Digestion is the process of chemical breakdown of ingested food into simple molecules that can be absorbed by the cells of the digestive tract. The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth. So, the correct answer is option (d).
Explanation for incorrect answer:
Option (a) absorption. Absorption is the process where ions, water, and small molecules diffuse or are transported from the digestive cavity into an animal’s circulatory system or body fluids. So, this is an incorrect option.
Option (b) secretion. Secretion is the process by which substances are produced and discharged from a cell, gland, or organ for a particular function in the organism or for excretion. So, this is an incorrect option.
Option (c) ingestion. Ingestion is the act of taking food into the body via a structure such as a mouth. So, this is an incorrect option.
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Chapter 37 Solutions
EBK PRINCIPLES OF BIOLOGY
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- Using information from the primary literature (several references have been provided as a starting point below) please answer the following question: Based on your review of the literature on rewilding, what are the major scientific pros and cons for rewilding? Please note that the focus of this assignment are the (biological) scientific issues associated with rewilding. As will be discussed in class, there are a number of non-scientific issues involved or implicated in rewilding, all ultimately affecting the public acceptability of rewilding. Although these issues are important – indeed, critical – in this assignment you should focus on the biological science issues and questions. Details: You must enumerate at least two pros and at least two cons. Your answer should be no more than 500 well-chosen words, excluding references. Think carefully about how best to organize and structure your answer. Aim for high information density: say a lot, but say it succinctly. Recall Nietzche’s…arrow_forwardNow draw a rough sketch of what the control data might look like if in addition to the specific binding, there was also a considerable amount of nonspecific binding (again using a normal dose/response curve) (do % total bound ligand vs concentration)arrow_forwardWhat are functions of cuboidal cells in the kidney? Select all that apply. Concentration of gases Dilution of chemicals Secretion of molecules Nutrition to tissues Support of tissues Absorption of moleculesarrow_forward
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