Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 28, Problem 2CBQ
Summary Introduction
To write:
To determine the physical factors that strongly influence the shoot growth and underground root growth.
Introduction:
The growth of plants is influenced by environment and its geographical distribution. The growth of plant relates to its shoot and root growth. In case any of the environmental factors are limited, then there is an effect on the plant’s growth. These environmental stresses cause the plant to weaken making it susceptible or prone to disease or insect.
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Students have asked these similar questions
What is the difference between the apical meristem and lateral meristem?
shoot apical
meristems
lateral meristems
root apical
meristems
Apical meristemic tissue is responsible for primary growth at the root and shoot
tips. Lateral meristemic tissue is responsible for secondary growth with an
increase in diameter of the stem.
Apical meristemic tissue is responsible for secondary growth with an increase in
diameter of the stem. Lateral meristemic tissue is responsible for primary growth
at the root and shoot tips.
Lateral meristematic tissue is only found in annual plants.
O Apical meristemic tissue is only found in woody plants.
Is there any other environmental signal that roots could use to achieve downward growth?
You could prevent most of a plant's secondary growth by:
Destroying the phloem portion of the vascular cambium
It would require the combination of at least two of these
Removing the apical or basal meristems
Destroving the cork cambium
Destroying the xylem portion of the vascular cambium
Chapter 28 Solutions
Principles of Biology
Ch. 28.1 - Refer back to Figure 25.4 to see the life cycle...Ch. 28.1 - Prob. 1TYKCh. 28.1 - Prob. 2TYKCh. 28.2 - Prob. 1CCCh. 28.2 - Prob. 2CCCh. 28.2 - Prob. 1TYKCh. 28.2 - Prob. 2TYKCh. 28.3 - Prob. 1CCCh. 28.3 - Prob. 2CCCh. 28.3 - Prob. 3CC
Ch. 28.3 - Prob. 1TYKCh. 28.3 - Prob. 2TYKCh. 28.4 - Prob. 1TYKCh. 28.4 - Prob. 2TYKCh. 28.4 - Prob. 1CCCh. 28 - Where would you look to find the gametophyte...Ch. 28 - Prob. 2TYCh. 28 - Prob. 3TYCh. 28 - Prob. 4TYCh. 28 - Prob. 5TYCh. 28 - Prob. 6TYCh. 28 - Prob. 7TYCh. 28 - Prob. 8TYCh. 28 - Prob. 1CCQCh. 28 - Prob. 2CCQCh. 28 - Prob. 3CCQCh. 28 - Prob. 1CBQCh. 28 - Prob. 2CBQ
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- To transport water from the root into the shoot does the water potential in the xylem need to become more positive or negative? Why?arrow_forward1. How do roots take in water and minerals? 2. How do roots develop from seeds? 3. Which type of root system is better adapted for absorption and prevention of soil erosion? Explain 4. Which type of root system is better adapted for penetration to deeper sources of soil water? Explain 5. Explain why bare rooted nursery plant do not die? 6. What type of roots would form a "sod" or turf?arrow_forwardA Vhet do we call the structures found on the root epidermis that increase the plant's capacity absorb water? d) Briefly explain how the structures you mentioned in c) increase the plant's capacity to absort water. e) Complete the table below: Transport method for water Transport method for (passive / active?) Root Tissue minerals (passive/activ Epidermis: Active Cortex: Active Endodermis: Active Xylem:arrow_forward
- The cross-section of a woody root is shown in Figure 3. Observe and locate the center of the root and work to the outer portion. Identify and label the following: Secondary phloem Secondary xylem Primary xylem Vascular cambium Xylem rayarrow_forwardWhy does a layer of periderm offer only temporary protection? When the plant makes a new layer of cork cambium, does it make the new layer to the outer side of the failing periderm or to the inner side of it, deeper in thesecondary phloem?arrow_forwardContrast primary growth in roots and shootsarrow_forward
- Why are some roots called adventitious roots? What root system best adapted for anchorage? Why do you say so? Which among the root system is most advantageous to the plant? Explain your answer.arrow_forwardWhich of the following statements are true for root endodermis?I. Endodermal cells constitute the innermost layer of root cortex and surrond the vascular cylinder (xylem and phloem). II. Endodermal wall is covered with waxy layer of casparian strip which blocks apoplastic transfer of minerals.III. Due to presence of casparian strip, water and minerals can only eneter the vascular cylinder if they will be able to cross the plasma membrane of an endodermal cell.arrow_forwardIn a cross-section of a tree, where are the oldest growth rings—in the outer region or nearer the pith? Where is the oldest secondary phloem—near the outside of the tree or near the cambium?arrow_forward
- If the shoot apical meristem gets broken off due to bad weather or damage, what type of tree growth you expect to observe in the immediate future? The tree would grow wider instead of taller. The tree would not show any growth but would stay healthy and alive. The tree roots would grow deeper within the soil, but no growth would occur above ground. The tree would grow taller instead of wider. The tree growth would be uneven in many different directions.arrow_forwardThe Casparian strip allows the root to control what solutes enter the xylem. How does it do that?arrow_forwardName the two meristems that involved in the secondary growth that is responsible for the increase in girth of a plant.arrow_forward
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