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Biological Science, Books a la Carte Plus Mastering Biology with Pearson eText -- Access Card Package (6th Edition)
6th Edition
ISBN: 9780134296029
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 38, Problem 11PIAT
Summary Introduction
To review:
The cues attracting bees toward the gooseberry flower and the rewards they seek from the flower.
Introduction:
Pollination is the transfer of pollen grains from the anther (male part) of a flower to the stigma (female part) of a flower. Pollination occurs within the same plant (self-pollination) and where the female and male parts are present on the separate flowers or plants (cross-pollination). The agents of pollination may be insects, air, water, or birds. Pollination contributes to the production of offspring (seeds).
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Students have asked these similar questions
The drooping, bell-like flower Aquilegia canadensis is adapted for cross-pollination. However, if the plant has not been pollinated previously, self-pollination can occur. However, if cross pollination occurs after self-pollination takes place, the pollen from cross pollination reaches the style before the pollen from self-pollination. Using course concepts and vocabulary 1) Provide a reasoning for this phenomenon. 2) Would this adaptation for reproduction be beneficial for the plant?
What are the advantages and disadvantages of self and cross pollination?
How are the structures of the pistil and stamen adapted for successful fertilization?
How do the petals of wind-pollinated flowers differ from the petals of most insect-pollinated flowers? How is this difference adapative?
Chapter 38 Solutions
Biological Science, Books a la Carte Plus Mastering Biology with Pearson eText -- Access Card Package (6th Edition)
Ch. 38 - 1. What happens when double fertilization...Ch. 38 - 2. CAUTION In angiosperms, are sperm and eggs...Ch. 38 - Prob. 3TYKCh. 38 - Prob. 4TYKCh. 38 - 5. Why is the emergence of the radicle an...Ch. 38 - What are the advantages and disadvantages of...Ch. 38 - Prob. 7TYUCh. 38 - Prob. 8TYUCh. 38 - Prob. 9TYPSSCh. 38 - 10. MODEL Make a sketch of a simplified flower...
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- About 100 years ago, C. E. Bessey developed the hypothesis of the “ranalean” flower. What are some of the characters of this type of flower? Is the ranalean flower wind pollinated or insect pollinated?arrow_forwardWhich statement about wind-pollinated plants is correct? Their stamens and stigmas are inside the flower and, compared to insect-pollinated plants, they have large petals Their stamens and stigmas are outside the flower and, compared to insect-pollinated plants, they have small petals Their stamens and stigmas are outside the flower and, compared to insect-pollinated plants, they have large petalsarrow_forwardUnder which of the following conditions would pollen from an S2S5 plant successfully pollinate an S1S5 flower? a. Using pollen from a carpelate flower to fertilize a staminate flower would be successful. b. If the plants used gametophytic self-incompatibility, half of the pollen would be successful. c. If the plants used sporophytic self-incompatibility, half of the pollen would be successful. d. Pollen from an S2S5 plant can never pollinate an S1S5 flower.arrow_forward
- Describe the characteristics you would expect to find in flowers that are pollinated by the wind, beetles, bees, and hummingbirds, respectively.arrow_forwardMany flowers have both anthers and pistils. What prevents self-pollination and later self-fertilization?arrow_forwardSuppose that 100 pollen grains land on a stigma, and 50 mature seeds are formed in the fruit. What does this indicate about the pollination process and success? A) 100% success: 100 pollen grains grew to 50 ovules, two to each, and double fertilization occurred. B) 100% success: Only 50% of the pollen grains germinated, but each produced 2 sperms to complete double fertilization in 50 seeds. C) 50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 50 polar nuclei. D) 50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 100 polar nuclei. correct answer and explanation why please.arrow_forward
- What is self-incompatibility? Why does self-pollination not lead to seed formation in self-incompatible species?arrow_forwardMention two strategies evolved to prevent self-pollination in flowers.arrow_forwardBoth wind and water pollinated flowers are not very colourful and do not produce nectar. What would be the reason for this?arrow_forward
- What is the most probable mode of pollination in okra flower?arrow_forwardName one plant each where pollination occurs with the help of : a) Water. b) Batsarrow_forwardWhat are the advantages and disadvantages of wind pollination? What are the advantages and disadvantages of pollination by animals? Why do both types of pollination persist among the angiosperms?arrow_forward
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Plant Reproduction in Angiosperms; Author: Amoeba Sisters;https://www.youtube.com/watch?v=HLYPm2idSTE;License: Standard YouTube License, CC-BY