Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 34, Problem 7TYU
Summary Introduction
To review:
The functions of cuticle and stomata. Further, describe how the number of stomata and thickness of cuticle differ in the plants of dry and wet habitats.
Introduction:
The cuticle is a lipid layer with wax that is present on the surface of the leaves, shoots, and other aerial organs. The stomata are the pore-like structures present on the leaves, stems, and some other organs.
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Chapter 34 Solutions
Biological Science (6th Edition)
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- What sorts of anatomical contrasts would you expect between the upper and lower surfaces of a floating leaf plant like water lily? What competitive advantage would be gained by a plant that has colored leaves? Think about where you personally have encountered spiny plants like Swamps, Pastures Thickets, and Deep shade under hardwoods?arrow_forwardCan you answer this question with both parts a. How does plant growth respond to gravity in stems vs. roots? b. How is gravitropism controlled during root growth?arrow_forwardWhat is the advantage of having more stomata on the lower portion of the leaf rather than on the upper portion? Was this true for the monocot leaf as well? What conclusions about stomata placement can you make from these observations? View keyboard shortcutsarrow_forward
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- How does the petiole aid in the photosynthetic function of the leaves? Which leaf shape predominates in rainy regions? Why? Which leaf shape predominates in dry regions? Why? Name five plants whose leaves have economic importance. Indicate what it is used for.arrow_forwardPines and other plants that grow in very cold climates have sunken stomata just like the plants of the desert, yet the annual precipitation where they grow may be very abundant. Is there any advantage to their having such a modification?arrow_forwardis energy required to open stomata?arrow_forward
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