Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 30, Problem 8RQ
Summary Introduction
To relate: The function of the contractile vacuoles to the given experimental observations.
Introduction: Contractile vacuoles are special excretory organelles that are present in many single-celled eukaryotes and some freshwater sponges. They are tiny and spherical in shapes.
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Chapter 30 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 30 - Define homeostasis. What evolutionary advantages...Ch. 30 - Describe the physiological challenges confronting...Ch. 30 - Distinguish the terms in the following pairs:...Ch. 30 - Young downstream salmon migrants moving from their...Ch. 30 - Most marine invertebrates are osmotic conformers....Ch. 30 - Prob. 6RQCh. 30 - In what animals would you expect to find a salt...Ch. 30 - Prob. 8RQCh. 30 - Prob. 9RQCh. 30 - Prob. 10RQ
Ch. 30 - In what ways does the nephridium of an earthworm...Ch. 30 - Prob. 12RQCh. 30 - Explain how the cycling of sodium chloride between...Ch. 30 - Explain bow antidiuretic hormone (vasopressin)...Ch. 30 - Prob. 15RQCh. 30 - Large mammals live successfully in deserts and in...Ch. 30 - Prob. 17RQCh. 30 - Prob. 1FFT
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- Sponges are full of holes, jellyfish are big open sacs, and flatworms are flat. How are these features important in facilitating the process of diffusion?arrow_forwarddescribe the following body transports systems: Active (Primary) Passive (diffusion- simple, faciliated) Hydrostatic forces Osmotic forces osmosisarrow_forwardWhen a bacterial cell is placed in a hypotonic, environment, the cell wall restrains the pressure resulting from the greater osmolarity of the cytoplasm. (Use one word in the blank space. Spelling must be correct to earn the point. The word "osmotic" is NOT an answer that that will earn credit for this question; there is another word that is required.)arrow_forward
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- Which of the following is NOT an example of where the surface area to volume ratio is increased to improve diffusion: microvilli in the small intestine of a human alveoli in the lungs of a mouse o air sacs in the respiratory system of a bird long intestine in an earth worm lamallae in gills of fisharrow_forwardUsing the appropriate osmotic terms (hypertonic, hypotonic, or isotonic) describe what would happen to each organism in the following settings: A single-celled freshwater protist is placed into a beaker of salt water. A salt-water snail is mistakenly put into a freshwater tank. A head of lettuce is placed soaked in a sink of salt water. A bunch of carrots are placed soaked a sink of distilled water.arrow_forwardComplete the table below regarding osmosis, diffusion, and active transport. (own words and examples) Osmosis Diffusion Active Transport Describe the principles behind each process. Cite an example where each of these processes is exhibited by animals.arrow_forward
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