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Campbell Biology | 10th Edition | ISBN: 9780321775658 | Authors: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
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WRITE ABOUT A THEME: ORGANIZATION In a short essay (100150 words), explain how the

Chapter 35, Problem 12

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QUESTION:

WRITE ABOUT A THEME: ORGANIZATION In a short essay (100150 words), explain how the evolution of lignin affected vascular plant structure and function.

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QUESTION:

WRITE ABOUT A THEME: ORGANIZATION In a short essay (100150 words), explain how the evolution of lignin affected vascular plant structure and function.

ANSWER:


The evolution of lignin has been a critical development for the evolution of vascular plants. Lignin is a complex polymer found in the cell walls of vascular plants that serves to strengthen and rigidify them, allowing them to stand upright and transport water and nutrients with vascular tissue. This has allowed plants to increase their size and complexity, as well as their ability to survive in challenging environments.

The structure and function of vascular plants are also heavily affected by lignin. With

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