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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- The 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_forwardWhich type of plant tropism is mismatched with its stimulus?a. Gravitropism: gravityb. Thigmotropism: nutrientsc. Phototropism: lightd. All of these are appropriately matched.arrow_forwardWatch the suggested videos for Plants Response to Stimuli. a. GeotropismGeotropism Experiment (2:48 minutes)https://www.youtube.com/watch?v=AEo5UsPeB5gb. PhototropismPhototropism Experiment (2:16 minutes)https://www.youtube.com/watch?v=WZ1NRP3OF5w a. For each experimental set up (geotropism and phototropism), identify the dependent and independent variables that have contributed to how plants responded to the stimuli.arrow_forward
- The winding of grape vine tendrils around a trellis support is an example of Negative phototropism Positive thigmotropism thigmonasty Negative gravitropism A circadian rhythmarrow_forwardBefore a plant can respond to environmental factors, they must be perceived. Give examples of several environmental cues that plants perceive.arrow_forwardGrass plants elevate their leaves to compete for light without exposing their shoot apical meristems to grazing animals by: O growing their leaves from persistent meristematic zones at the leaf base. never elévating the shoot apical meristem. using axillary meristems to proctce leaves. O inducing protein inhibitors through the jasmonic acid responsearrow_forward
- Using scientific concepts and terms describe how the Bucket Orchid can temporarily “hold” onto the bee’s body while it glues the pollen sacs to the bees back. In other words, what type of plant “movement” (aka. response) would this most likely be described as? Please watch the YouTube link to answer the question. An Orchid’s Trap https://youtu.be/_uHJGdTgtXEarrow_forwardemphasized how plastic and adaptable plants are in their environment. Write an essay touching on this concept. The first paragraph should be broad and discuss why plants must be more adaptable to their environment compared to other organisms, such as animals. Discuss if adaptation is or is not genetically determined and/or heritable. The second paragraph should provide a specific examples of how plants have adapted to stress. This portion needs to be in depth, and discuss both an abiotic and biotic stress.arrow_forwardName the tropic movement in response to the stimulus of the chemicals.arrow_forward
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