BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 39.3, Problem 3LO
Summary Introduction
To explain: The reason why the movement of leaves of a sensitive plant is not an example of tropism.
Introduction: Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae. The parts of plants include stem, roots, leaves, flowers, fruit, and seeds.
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Chapter 39 Solutions
BIOLOGY
Ch. 39.1 - Compare the pigments phytochrome and chlorophyll.Ch. 39.1 - List growth responses influenced by phytochrome.Ch. 39.1 - Prob. 3LOCh. 39.2 - Prob. 1LOCh. 39.2 - Prob. 2LOCh. 39.3 - Prob. 1LOCh. 39.3 - Prob. 2LOCh. 39.3 - Prob. 3LOCh. 39.4 - Prob. 1LOCh. 39.4 - Prob. 2LO
Ch. 39.4 - Identify the types of biological molecules that...Ch. 39.5 - Discuss properties of hormones.Ch. 39.5 - Prob. 2LOCh. 39.5 - Prob. 3LOCh. 39 - Prob. 1DACh. 39 - Prob. 1IQCh. 39 - Prob. 2IQCh. 39 - Propose a mechanism to explain how seedlings could...Ch. 39 - Which of the following is stimulated by blue...Ch. 39 - Prob. 2UCh. 39 - Prob. 3UCh. 39 - Prob. 4UCh. 39 - Which of the following does NOT happen as a seed...Ch. 39 - Dwarf mutants can sometimes be induced to grow...Ch. 39 - Prob. 1ACh. 39 - If you were to plant a de-etiolated (det2) mutant...Ch. 39 - Prob. 3ACh. 39 - Which of the following defects would prevent...Ch. 39 - You have come up with a brilliant idea to stretch...Ch. 39 - You have identified a mutant Arabtdopsis plant...Ch. 39 - Which of the following might not be observed in a...Ch. 39 - Prob. 1SCh. 39 - Prob. 2SCh. 39 - The current model for gravitropism suggests that...Ch. 39 - Prob. 4S
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- Name the tropic movement in response to the stimulus of the chemicals.arrow_forwardA tropism in response to seasonal changes is associated with a. heliotropism b. phototropism c. photoperiodism d. thigmotropismarrow_forwardExplain how tropisms and hormones work to help plants survive changes in their environmentarrow_forward
- Explain how the sunflower plant has is adapted to fit its current environment and how climate change could affect that adaptationarrow_forwardWhich type of plant tropism is mismatched with its stimulus?a. Gravitropism: gravityb. Thigmotropism: nutrientsc. Phototropism: lightd. All of these are appropriately matched.arrow_forwarddescribe the mechanism in which roots can express positive geo-tropismarrow_forward
- What is meant by positive tropism and negative tropism?arrow_forwardThe meristem in grasses is at the base of the stem (rather than the apex). This positioning of the meristem is an adaptation for selective pressures imposed by:arrow_forwardExplain how plants sense seasonal change, and give someexamples of their responses.arrow_forward
- Before a plant can respond to environmental factors, they must be perceived. Give examples of several environmental cues that plants perceive.arrow_forwardDescribe the makahiya plant and its reaction to a stimuli. Give two scientific questions you can formulate with regard to the appearance and behavior of the makahiya plant.arrow_forwardWhat is tropism?arrow_forward
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