Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 26, Problem 15RQ
Which of the following plant structures is not a defense against herbivory?
- thorns
- spines
- nectar
- alkaloids
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The leaf in the image has most likely been infected by a parasitoid.
The leaf in the image is an example of a plant defense known as mimicry.
O The leaf in the image is depicting an exploitative interaction.
The leaf in the image is an example of a plant defense known as allelopathy.
Chapter 26 Solutions
Biology 2e
Ch. 26 - Figure 26.8 At what stage dees the diploid zygote...Ch. 26 - Figure 26.15 If a flower lacked a megasporangium,...Ch. 26 - Seed plants are. all homosporous mostly...Ch. 26 - Besides the seed, what ether major structure...Ch. 26 - In which of the following geological periods would...Ch. 26 - Which of the following structures widens the...Ch. 26 - Which of the following traits characterizes gym...Ch. 26 - Megasporocytes will eventually produce which of...Ch. 26 - What is the ploidy of the following structures...Ch. 26 - In the northern forests of Siberia, a tall tree is...
Ch. 26 - Which of the following structures in a flower is...Ch. 26 - Pollen grains develop in which structure? the...Ch. 26 - In the course of double fertilization, one sperm...Ch. 26 - Corn develops from a seedling with a single...Ch. 26 - Which of the following plant structures is not a...Ch. 26 - White and sweet-smelling flowers with abundant...Ch. 26 - Abundant and powdery pollen produced by small,...Ch. 26 - Plants are a source of food fuel medicine all of...Ch. 26 - The Triassic Period was marked by the increase in...Ch. 26 - What role did the adaptations of seed and pollen...Ch. 26 - The Mediterranean landscape along the sea shore is...Ch. 26 - What are the four modern-day phyla of gymnosperms?Ch. 26 - Some cycads are considered endangered species and...Ch. 26 - What are the two structures that allow angiosperms...Ch. 26 - Biosynthesis of nectar and nutrient-rich pollen is...Ch. 26 - What is biodiversity and why is it important to an...
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- Which plant hormone mediates the seasonal abscission of fruits and leaves? gibberellin ethylene auxin abscisic acid cytokininarrow_forwardThis plant is referred to as This plant is referred to as : bladderwort : Venus flytrap : Pitcher plant : sundew : butterwortarrow_forwardWhich plant hormone is known as germination inhibitor? gibberellin ethylene abscisic acid auxinarrow_forward
- Which of the following hormones are NOT matched with the proper function? abscisic acid- promotes leaf abscission cytokinins-stimulates cell division ethylene- promotes fruit ripening gibberellic acid- promotes stem elongation auxin-promotes increases in cell sizearrow_forwardWhich of the following is not a characteristic of plant hormones? They are active in small concentrations They are synthesized in specific glands and tissues They are pleiotropic in their effects Plant hormones are tissue and time-specificarrow_forwardOn a hot, dry day a plant closes its stomata thereby conserving water. Which plant hormone is responsible for the closing of the stomata? ethylene abscisic acid cytokinin auxin gibberellinarrow_forward
- Which of the following does auxin cause in the tropism with which it is involved? increased protein synthesis increased plasma membrane permeability hardening of cell walls cell elongation rapid cell divisionarrow_forwardIf a farmer wanted less tightly packed clusters of grapes, he would most likely spray the immature bunches with which of the following hormones? cytokinins gibberellins auxin abscisic acidarrow_forwardGreenhouse-grown tomato seedlings are often brushed by hand to simulate wind. This causes seedlings to grow slower, thicken stems, & resist mechanical wind damage when planted in the field. Which hormone is responsible? Auxin Salicylic acid Gibberellin Abscisic acid cytokinin Ethylenearrow_forward
- Which type of the following play a role in the gravitropic response of plants according to the statolith hypothesis? amyloplasts chloroplasts receptors calcium ions O O O Oarrow_forwardThe hormone abscisic acid provides advantages to plants in stress conditions by Select one: inhibiting the growth of nearby plants and so reducing competition attracting beneficial predatory insects increasing tolerance to environmental stressarrow_forwardPlants only give off oxygen and never require it. True Falsearrow_forward
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How do Plants Handle Stress?; Author: Alex Dainis;https://www.youtube.com/watch?v=TYsnveEHqec;License: Standard Youtube License