Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Chapter 30, Problem 3S
Imagine hypothetical moss and fern trees, each 10 m tall. Which would face the greater barriers to sexual reproduction? Why?
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And some plants as stigma becomes receptive to Polin able to facilitate a pollen tube at a different time from when the anthers ripen. How would this affect the plant reproductive strategy why would this increase diversity in the plants offspring?
Using what you have learned in this chapter, speculate whether it is more likely that offspring of asexual reproduction develop in close proximity to or widely dispersed from the parent plant. Explain your reasoning. How could you test your hypothesis?
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Chapter 30 Solutions
Biology
Ch. 30 - Which of the following plant structures is NOT...Ch. 30 - Which of the following genera most likely directly...Ch. 30 - Which of the following would NOT be found in a...Ch. 30 - Prob. 4UCh. 30 - Evolutionary innovations that increase desiccation...Ch. 30 - Which of the following statements about the...Ch. 30 - Compare what happens to a spore mother cell as it...Ch. 30 - How could a plant without roots obtain sufficient...Ch. 30 - A major innovation of land plants is embryo...Ch. 30 - In comparing the Selaginella and Physcomitrella...
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- Figure 14.26 If a flower lacked a megasporangium, what type of gamete would it not be able to form? If it lacked a microsporangium, what type of gamete would not form?arrow_forwardUnder what conditions is it selectively advantageous for a plant to produce offspring identical to itself?arrow_forwardMale gametophytes in the pine tree are produced by which of the following processes? -Gametogenesis -Mitosis -Neither mitosis nor meiosis -Meiosis -Microsporophyte generationarrow_forward
- Compare the Venn diagram of sexual reproduction and asexual reproduction in plants. Where in the diagram would you add identical to parent? (Use Photo) Not Gradedarrow_forwardThe formation of a tough wall of sporopollenin around the male gametophyte leads to the production of what end product? -Ovules -Eggs -Anthers -Stamens -Pollenarrow_forwardCompare the Venn diagram of sexual reproduction and asexual reproduction in plants. Where in the diagram would you add identical to parent? A) A B) B C) C D) D use photo Not Gradedarrow_forward
- The process of _______________ in flowering plants involves one sperm cell fusing with an egg cell and one sperm cell fusing with two polar nuclei. (a) coevolution (b) germination (c) double fertilization (d) apomixis (e) pollinationarrow_forwardImagine a plant that has been well adapted to a particular habitat, and it has been reproducing only asexually; thus, all of its offspring are identical to it. If the climate or other conditions change such that the plant can no longer survive in the new conditions, what will happen to all of its offspring? Why?arrow_forwardHow does a haplontic plant population maintain genetic diversity? a. Zygotes are produced by random fusion. b. Gametes are created through meiosis. c. Diploid spores undergo independent assortment during mitosis. d. The zygote undergoes meiosis to generate a haploid sporophyte.arrow_forward
- Which of these is a condition that makes flowers invariably autogamous ? (a) Dioecy (b) Self incompatibility (c) Cleistogamy (d) Xenogamyarrow_forwardCompare the Venn diagram of sexual reproduction and asexual reproduction in plants. Where in the diagram would you add identical to parent? A) A B) B C) C D) Darrow_forwardKalanchoe is the direct production of plantlets on the tips or edges of the leaves. Leaves that act as reproductive agents are almost always thick enough to store water. Is this reproduction sexual or asexual?arrow_forward
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