Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780134433769
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman
Publisher: PEARSON
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Textbook Question
Chapter 30.1, Problem 2CC
WHAT IF? In some species, sepals look like petals, and both are collectively called “tepals.” Suggest a possible extension to the ABC hypothesis that could account for the origin of tepals.
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In some species, such as magnolia, sepals look like petals, and both are collectively called "tepals:' Suggest an extension to the ABC model that could hypothetically account for the origin of tepals.
Give answer.
. WHAT IF? If flowers had shorter styles, pollen tubeswould more easily reach the embryo sac. Suggest anexplanation for why very long styles have evolved inmost flowering plants.
Chapter 30 Solutions
Campbell Biology in Focus, Books a la Carte Edition; Modified Mastering Biology with Pearson eText - ValuePack Access Card - for Campbell Biology in Focus (2nd Edition)
Ch. 30.1 - WHAT IF? If flowers had shorter styles, pollen...Ch. 30.1 - WHAT IF? In some species, sepals look like petals,...Ch. 30.1 - Prob. 3CCCh. 30.2 - Prob. 1CCCh. 30.2 - Prob. 2CCCh. 30.2 - Self-fertilization, or selfing, seems to have...Ch. 30.3 - Prob. 1CCCh. 30.3 - Why does Bt maize have less fumonisin than non-GM...Ch. 30.3 - WHAT IF? In a few species, chloroplast genes are...Ch. 30 - A seed develops from an A. ovum B. embryo. C....
Ch. 30 - A fruit is a A. mature ovary. B. B . mature ovule....Ch. 30 - Double fertilization means that A. flowers must be...Ch. 30 - Golden Rice A. is resistant to various herbicides,...Ch. 30 - Which statement concerning grafting is correct? A....Ch. 30 - Some dioecious species have the XY genotype for...Ch. 30 - A small flower with green petals is most likely A....Ch. 30 - The pollen produced by wind-pollinated plants is...Ch. 30 - The black dots that cover strawberries are...Ch. 30 - DRAW IT Draw a flower and label the parts.Ch. 30 - SCIENTIFIC INQUIRY Critics of GM foods have argued...Ch. 30 - SCIENCE, TECHNOLOGY, AND SOCIETY People have...Ch. 30 - FOCUS ON EVOLUTION With respect to sexual...Ch. 30 - FOCUS ON ORGANIZATION In a short essay (100-150...Ch. 30 - SYNTHESIZE YOUR KNOWLEDGE This colorized SEM shows...
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