1 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265321062
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 30.4, Problem 2LO
List environmental conditions that can lead to seed germination in some plants.
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List four mechanisms of seed dispersal:
Describe three mechanisms whereby seed dormancy is broken in different types of seeds. How are these mechanisms related to the typical environment of the plant?
Seed dormancy may be due to: *
Immature embryo
Hard seed coat
Presence of germination inhibitors
All of these
Chapter 30 Solutions
1 SEM CARDLESS ACC W/RAVEN TEXT
Ch. 30.1 - List the evolutionary advantages of seeds.Ch. 30.1 - Distinguish between pollen and sperm in seed...Ch. 30.2 - Prob. 1LOCh. 30.2 - Prob. 2LOCh. 30.3 - Prob. 1LOCh. 30.3 - Prob. 2LOCh. 30.3 - Prob. 3LOCh. 30.4 - Describe four ways in which seeds help to ensure...Ch. 30.4 - List environmental conditions that can lead to...Ch. 30.5 - Prob. 1LO
Ch. 30.5 - Prob. 2LOCh. 30 - Using the graph in figure 30.13, calculate the...Ch. 30 - Prob. 1IQCh. 30 - Prob. 2IQCh. 30 - Prob. 3IQCh. 30 - Prob. 4IQCh. 30 - The lack of seeds is a characteristic of all a....Ch. 30 - Prob. 2UCh. 30 - Which of the following gymnosperms possesses a...Ch. 30 - In a pine tree, the microspores and megaspores are...Ch. 30 - Which of the following terms is NOT associated...Ch. 30 - Which of the following potentially represents the...Ch. 30 - Prob. 7UCh. 30 - Prob. 8UCh. 30 - The pericarp is the a. ovary wall. b. developing...Ch. 30 - Reproduction in angiospenns can occur more quickly...Ch. 30 - In double fertilization, one sperm produces a...Ch. 30 - Apply your understanding of angiosperms to...Ch. 30 - Comparing stems of two plant specimens under the...Ch. 30 - Prob. 5ACh. 30 - Fruits are complex organs that are specialized for...Ch. 30 - You haw been hired as a research assistant to...Ch. 30 - Prob. 2SCh. 30 - The relationship between flowering plants and...Ch. 30 - Prob. 4S
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- List examples of environmental and internal factors that influenceseed germination.arrow_forwardIn flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microsporesarrow_forwardDefine the following: Inflorescence, Pollination, Germination and Fertilizationarrow_forward
- Differentiate the following treatments based on the effect of light on monggo (Vigna radiata) seed germination: directly exposed to sunlight placed in shaded area (indirect light) place in the dark (complete darkness)arrow_forwardDescribe seed germination. Investigate conditions necessary for seed germination. Define seed dispersal. Describe the different modes of seed dispersal. Identify seeds and fruits according to their modes of dispersal.arrow_forwardDescribe the internal morphology of different kinds of seed.arrow_forward
- Describe advantages and disadvantages of producing a crop of potato plants using asexual (tuber) rather than sexual (true seed) propagation.arrow_forwardHow does moisture and the presence or absence of light affect seed germination?arrow_forwardCompare the following situations of seed germination of monggo seeds within five days: - exposed to direct sunlight - placed in a shaded area, and - placed in complete darknessarrow_forward
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