EBK CAMPBELL BIOLOGY
10th Edition
ISBN: 9780136539414
Author: Reece
Publisher: VST
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Chapter 25, Problem 10TYU
WRITE ABOUT A THEME: ORGANIZATION You have seen many examples of how form fits function at all levels of the biological hierarchy. However, we can imagine forms that would function better than some forms actually found in nature. For example, if the wings of a bird were not formed from its forelimbs, such a hypothetical bird could fly yet also hold objects with its forelimbs. In a short essay (100-150 words), use the concept of "evolution as tinkering" to explain why there are limits to the functionality of forms in nature.
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. Structure and function is a central theme to the study of biology. Each major group of
organisms has evolved its own body part “tool kit" – a collection of structures that have
evolved in ways that make specific functions possible. From capturing food to digesting
it, and from reproducing to breathing, organisms use structures that have evolved into
different forms as species have adapted to life in different environments. The structure
of wings, for example enable birds and insects to fly. The structures of legs enable
horses to gallop and kangaroos to hop.
a. Think about your own teeth. What kinds of foods do you think human teeth are
suited for?
b. List at least three ways the structure of human teeth serves the function of
eating these food materials.
c. Now, finally apply the theme of structure and function to something you're very
familiar with - your hands. List out all the ways you can think of that the
structure of your hands serve the function of your hands.
WRITE ABOUT A THEME: Organization You have seenmany examples of how form fits function at all levels of thebiological hierarchy. However, we can imagine forms thatwould function better than some forms actually found innature. For example, if the wings of a bird were not formedfrom its forelimbs, such a hypothetical bird could fly yet alsohold objects with its forelimbs. In a short essay (100–150words), use the concept of “evolution as tinkering” to explainwhy there are limits to the functionality of forms in nature.
Given homologous structures like a bird’s wing & whale’s flipper and analogous structures like a bird's wing & insect's wing, prove evolution.
Chapter 25 Solutions
EBK CAMPBELL BIOLOGY
Ch. 25.1 - What hypothesis did Miller test in his classic...Ch. 25.1 - How would the appearance of protocells have...Ch. 25.1 - Prob. 3CCCh. 25.2 - WHAT IF? Your measurements indicate that a...Ch. 25.2 - Describe an example from the fossil record that...Ch. 25.2 - Prob. 3CCCh. 25.3 - The first appearance of free oxygen in the...Ch. 25.3 - What evidence supports the hypothesis that...Ch. 25.3 - WHAT IF? What would a fossil record of life today...Ch. 25.4 - Explain the consequences of plate tectonics for...
Ch. 25.4 - What factors promote adaptive radiations?Ch. 25.4 - Prob. 3CCCh. 25.5 - Explain how new body forms can originate by...Ch. 25.5 - Why is it likely that Hox genes have played a...Ch. 25.5 - MAKE CONNECTIONS Given that changes in morphology...Ch. 25.6 - How can the Darwinian concept of descent with...Ch. 25.6 - Prob. 2CCCh. 25 - Describe the roles that montmorillonite clay and...Ch. 25 - What are the challenges of estimating the ages of...Ch. 25 - What is the "Cambrian explosion," and why is it...Ch. 25 - Explain how the broad evolutionary changes seen in...Ch. 25 - How could changes in a Single gene or DNA region...Ch. 25 - Explain the reasoning behind the Statement...Ch. 25 - Prob. 1TYUCh. 25 - The oxygen revolution changed Earth's environment...Ch. 25 - Prob. 3TYUCh. 25 - Prob. 4TYUCh. 25 - Which of the following steps has not yet been...Ch. 25 - Prob. 6TYUCh. 25 - Prob. 7TYUCh. 25 - EVOLUTION CONNECTION Describe how gene flow,...Ch. 25 - Prob. 9TYUCh. 25 - WRITE ABOUT A THEME: ORGANIZATION You have seen...Ch. 25 - Prob. 11TYU
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