Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 29.3, Problem 2LO
Evalute the signification of roots, stems, and leaves in the tracheophytes.
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Chapter 29 Solutions
Biology
Ch. 29.1 - Explain the relationship between the different...Ch. 29.1 - Prob. 2LOCh. 29.1 - Prob. 3LOCh. 29.1 - Prob. 4LOCh. 29.2 - Describe adaptations of bryophytes for life on...Ch. 29.3 - Prob. 1LOCh. 29.3 - Evalute the signification of roots, stems, and...Ch. 29.4 - Prob. 1LOCh. 29.4 - Prob. 2LOCh. 29.5 - Prob. 1LO
Ch. 29.5 - Prob. 2LOCh. 29 - Compare the amount of time that passed between the...Ch. 29 - Explain why tracheophytes may have had a selective...Ch. 29 - Which of the following plant structures is NOT...Ch. 29 - Which of the following genera most likely directly...Ch. 29 - Which of the following would NOT be found in a...Ch. 29 - Prob. 4UCh. 29 - Evolutionary innovations that increase desiccation...Ch. 29 - Which of the following statements about the...Ch. 29 - Compare what happens to a spore mother cell as it...Ch. 29 - How could a plant without roots obtain sufficient...Ch. 29 - A major innovation of land plants is embryo...Ch. 29 - In comparing the Selaginella and Physcomitrella...Ch. 29 - Prob. 5ACh. 29 - Identify which of the following statements is...Ch. 29 - You have access to the sequenced genomes for moss...Ch. 29 - Would you expect the sporophyte generation of a...Ch. 29 - Imagine hypothetical moss and fern trees, each 10...
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- no. of growth rings, arrangement or distribution of vessels, relative size of vessels, types of perforation plates, presence of pits, kinds of cells in rays, and thickness of rays in Pinus stemarrow_forwardDescribe a plant leaf that has survived fungal pathogen invasion via hypersensitive response (HR) mechanism. Explain the processes that happened at cellular level.arrow_forwardName the plant in whose leaves transfusion tissue is present.arrow_forward
- a. How did the pioneers use horsetail? Trace the life cycle of a typical fernarrow_forwardExplain transport in the phloem (driving forces, process, major organs involved). How is this affected by the environment/time of year?arrow_forwardIs transportation of gasesin tracheophytes madethrough the vascular tissues?arrow_forward
- Explain four changes that occur as vegetative grass changes to reproduction phasearrow_forwardBryophytes had existed for millions of years ago and yet still exist to date in the absence of vascular tissues. What possible inference in an evolutionary perspective can you provide that has led to the development of such structures observed in tracheophytes?arrow_forwardExplain the alternative routes for the uptake of water and dissolved nutrients in roots. Highlight the processes and structures involved.arrow_forward
- Which of the following statements are true regarding tracheids and vessel elements? Select all that apply. Both tracheids and vessel elements are cells of phloem. Tracheids and vessel elements have to be alive in order to transport water. Vessel elements have perforation plates but tracheids do not. Both tracheids and vessel elements are specialized for water conduction. Both tracheids and vessel elements have pits.arrow_forwardDefine leaf abscission, and explain why it occurs and what physiological and anatomical changes precede it.arrow_forwardWrite an account on discovery of gibberellins phytohormone. Inclusion of scientist's name, fungus, symptoms and functions in cell will be necessary. (i) Explain regulations of gibberellins, indole acetic acid and abscisic acid in plant growth region and seed germination respectively. (ii)arrow_forward
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