EBK CAMPBELL BIOLOGY IN FOCUS
2nd Edition
ISBN: 8220101459299
Author: Reece
Publisher: PEARSON
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Question
Chapter 31.3, Problem 3CC
Summary Introduction
To explain:
Would the root still respond to gravity if its root cap is removed?
Concept introduction:
Roots show a positive gravitropism which means they grow downwards, in the direction of gravity. Statoliths present in certain cells of the root cap help in this.
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Water ascent up a plant is vital for maintaining proper physiological function of the leaves, (a) is root pressure or the cohesion-tension theory MORE important in
supplying water to the leaf? (b) explain the difference in the driving force of water ascent between root pressure and cohesion tension.
INSTRUCTIONS: Match each structure with the appropriate description (write the capital letter of your choice). Choices for functions may be repeated. (EXAMPLE: 1. B;5)
Help me solve the stomatal density of IXORA PLANTFor a 10x ocular, the diameter of field of view for the LPO (10x) is 1.78 mm while HPO (40x) is 0.45 mm.
Chapter 31 Solutions
EBK CAMPBELL BIOLOGY IN FOCUS
Ch. 31.1 - Prob. 1CCCh. 31.1 - WHAT IF? If a plant has the double mutation ctr...Ch. 31.1 - Prob. 3CCCh. 31.2 - If an enzyme in field-grown soybean leaves is most...Ch. 31.2 - WHAT IF? If a plant flowers in a controlled...Ch. 31.2 - MAKE CONNECTIONS Plants detect the quality of...Ch. 31.3 - Prob. 1CCCh. 31.3 - Prob. 2CCCh. 31.3 - Prob. 3CCCh. 31.4 - Prob. 1CC
Ch. 31.4 - Chewing insects mechanically damage plants and...Ch. 31.4 - Prob. 3CCCh. 31 - The hormone that helps plants respond to drought...Ch. 31 - Prob. 2TYUCh. 31 - Prob. 3TYUCh. 31 - Prob. 4TYUCh. 31 - Prob. 5TYUCh. 31 - Prob. 6TYUCh. 31 - DRAW IT Indicate the response of Arabidopsis to...Ch. 31 - Prob. 8TYUCh. 31 - FOCUS ON EVOLUTION As a general rule,...Ch. 31 - FOCUS ON INTERACTIONS In a short essay (100-150...Ch. 31 - Prob. 11TYU
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- Plant roots develop differently from plant shoots during primary growth. Explain: How is the formation of lateral roots different from making new branches on shoots? Why don't roots and shoots generate new primary growth the same way?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_forwardFor the cells providing ….arrow_forward
- Help me solve the stomatal density. For a 10x ocular, the diameter of field of view for the LPO (10x) is 1.78 mm while HPO (40x) is 0.45 mm.arrow_forward3) When she was a young child, Mélanie had a favourite swing hanging from the lower branch of a tree. Over time, Mélanie grew older, and eventually moved out of her parent's house. Now, when Mélanie returns to visit her parents, the tree is much larger than it was when Mélanie was just a young child, but her swing is still hangingg at approximately the same height. Using concepts and terms related to plant growth seen in class, briefly explain how this phenomenon is possible. Tenarrow_forwardPlease answer the first questionarrow_forward
- Help me solve the stomatal density of RHOEO PLANT FOR FOV 1-3For a 10x ocular, the diameter of field of view for the LPO (10x) is 1.78 mm while HPO (40x) is 0.45 mm.arrow_forwardB. LEAF ADAPTATION The main function of the leaf is in the processes of photosynthesis and transpiration. Apart from these functions, leaf is sometimes adapted to perform other functions. Examples of leaf adaptations are for: a) Support, which could be seen by the presence of tendrils b) Catching insects, by having cup-liked shape of hairs sensitive to touch c) Reproduction, by having meristematic cells able to produce new shoots that will go on to become new individual plants d) Food and water storage, especially found in plants living in dry areas where water is scarce (for example succulent plants, having leaf storing food and water) e) Floatation, for plants living on the water surface, their leaves in general will have air openings on tissues (used for floating) usually found on leaf petiole f) Protection, by having leaves completely or partially modified as thorns Instruction: a) 1. Search for ONE plant species with the following leaf adaptations 2. Give their scientific names…arrow_forwardA leaf is placed in a beaker containing a salt solution with a solute potential of -0.5 MPa. Over time the leaf turgor increased to 0.8 MPa at which time the leaf comes into equilibrium with the solution. What is the: 1)Water potential of the solution: 2)Solute potential of the leaf: 3)Water potential of the leaf: 4) pressure potential of the leaf:arrow_forward
- 13 The arrangement of veins in a leaf is called venation. Swati collected the following information about leaf venation and roots of different plants from her teachers. S.No. Name of the plant Type of leaf venation Type of roots 1 Apple Aloe vera Reticulate Таp гoot Parallel a Fibrous roots 3 Mango Reticulate Tap root Coconut Parallel Fibrous roots 5. Grass Parallel • Fibrous roots Oak Reticulate Таp гoot Swati observed a strange plant in her garden. She saw that its leaves had parallel venation. Which of the following is most likely to be true about the plant, based on the available data? A. It is probably an aloe vera plant. B. It probably has fibrous roots. C. It probably does not bear fruits. It will probably grow into a tall tree. A SHOT ON OPPOarrow_forwardDescribe how the water potential of a leaf changes throughout the course of a 24-hour period. What is driving this change? How does the water potential of this leaf compare to the water potential of a root in the same plant during the same period? How does it compare to the soil underneath the plant? Please fast and properly explain.arrow_forwardPlease answer the second questionarrow_forward
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