CAMPBELL BIOLOGY:CONCEPTS..W/JUNGLE>IC
15th Edition
ISBN: 9781269930741
Author: Reece
Publisher: PEARSON C
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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.
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Chapter 25 Solutions
CAMPBELL BIOLOGY:CONCEPTS..W/JUNGLE>IC
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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