BSC 1005 PKG-W/MOD. MAST. ACCESS >CI<
17th Edition
ISBN: 9781269683364
Author: Reece
Publisher: Pearson Custom Publishing
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Question
Chapter 25, Problem 22TYK
Summary Introduction
To hypothesize: Why dolphin flippers do not freeze and also to describe an experiment to test the proposed hypothesis. In addition to this, also determine the result that would be expected if the hypothesis is correct.
Concept introduction:
Dolphins can maintain a constant internal body temperature. Therefore, they are endotherms. They have various mechanisms to maintain a constant body temperature, such as the presence of blubber, a thick layer of fat in their skin and counter current heat exchange mechanism.
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The range of regulated body temperatures in mammals is about 36 to 40°C , while in birds it is slightly higher, 38 to 42°C, close to the limit compatible with life. Why do you imagine birds maintain higher body temperatures thanmammals? Do you think eagles and hummingbirds maintain the same body temperatures? Explain.
A tiger was chasing a mouse across a field. Each was running at the same pace and increased its internal temperature to the same ratio of its initial body temperature. Which explanation correctly describes which animal would return to its initial temperature more quickly after the chase ended?
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D. The tiger can cool more quickly because of decreased metabolic rates within larger animals.
for aquatic animals such as sharks, how do the animals maintain their body temperature when they are in warmer or colder waters? do they have a method where they can decrease or increase their body temperatures slightly such as torpor in birds?
Chapter 25 Solutions
BSC 1005 PKG-W/MOD. MAST. ACCESS >CI<
Ch. 25 - Complete this map, which presents the three main...Ch. 25 - In this schematic of urine production in a...Ch. 25 - Prob. 3TYKCh. 25 - In each nephron of the kidney, the glomerulus and...Ch. 25 - As filtrate passes through the loop of Henle, salt...Ch. 25 - Birds and insects excrete uric acid, whereas...Ch. 25 - Prob. 7TYKCh. 25 - Match each of the following components of blood...Ch. 25 - Prob. 9TYKCh. 25 - Prob. 10TYK
Ch. 25 - Prob. 11TYKCh. 25 - Match each of the following components of blood...Ch. 25 - Prob. 13TYKCh. 25 - Prob. 14TYKCh. 25 - Prob. 15TYKCh. 25 - Compare the water and salt regulation in a salmon...Ch. 25 - Prob. 17TYKCh. 25 - 18. Assuming equal size, predict which of these...Ch. 25 - Some diuretics are on a list of substances that...Ch. 25 - Prob. 20TYKCh. 25 - Prob. 21TYKCh. 25 - Prob. 22TYKCh. 25 - Prob. 23TYKCh. 25 - Prob. 24TYKCh. 25 - Scientists have found that the quantity of...
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