Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 27.1, Problem 3C
Summary Introduction
To determine: The evidence which is in favor of the hypothesis that “plants descended from a group of green algae known as charophytes”.
Introduction: It has been hypothesized that plants have descended from a group of green algae called charophytes. Charophytes are also called stoneworts and belong to a group of freshwater algae. These charophytes are considered as most close relatives of modern land plants. Also, green algae and plants resemble each other in a variety of ways such as both groups are photosynthetic and possess chlorophyll a pigments in their chloroplast.
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What major characteristic of green algae (Chlorophyta) supports the hypothesis that they are ancestral to flowering plants (Anthophyta)?
Green algae are believed to be the ancestors of the bryophyte. Cite four distinct lines of evidence to support this belief.
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Chapter 27 Solutions
Biology (MindTap Course List)
Ch. 27.1 - Discuss some environmental challenges of living on...Ch. 27.1 - Name the green algal group from which plants are...Ch. 27.1 - Prob. 1CCh. 27.1 - Prob. 2CCh. 27.1 - Prob. 3CCh. 27.1 - Prob. 4CCh. 27.2 - Summarize the features that distinguish bryophytes...Ch. 27.2 - Name and briefly describe the three phyla of...Ch. 27.2 - Describe the life cycle of mosses and compare...Ch. 27.2 - Prob. 1C
Ch. 27.2 - How are mosses, liverworts, and hornworts similar?...Ch. 27.3 - Discuss the features that distinguish seedless...Ch. 27.3 - Name and briefly describe the two phyla of...Ch. 27.3 - Describe the life cycle of ferns and compare their...Ch. 27.3 - Compare the generalized life cycles of homosporous...Ch. 27.3 - Prob. 1CCh. 27.3 - Prob. 2CCh. 27.3 - Which of the following are parts of the sporophyte...Ch. 27.3 - Why are whisk ferns and horsetails now classified...Ch. 27.3 - How does heterospory modify the plant life cycle?Ch. 27 - Plants probably descended from a group of green...Ch. 27 - Which of the following is not a characteristic of...Ch. 27 - In plant life cycles, (a) the first products of...Ch. 27 - The bryophytes (a) include mosses, liverworts, and...Ch. 27 - The waxy layer that covers aerial parts of plants...Ch. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - Know and Comprehend 8. The green,...Ch. 27 - Prob. 9TYUCh. 27 - Know and Comprehend 10. These plants have...Ch. 27 - Know and Comprehend 11. These plants have hollow,...Ch. 27 - Know and Comprehend 12. Which of the following...Ch. 27 - Apply and Analyze 13. VISUALIZE Draw a simple...Ch. 27 - Evaluate and Synthesize 14. EVOLUTION LINK How may...Ch. 27 - Evaluate and Synthesize 15. INTERPRET DATA...Ch. 27 - Evaluate and Synthesize 16. EVOLUTION LINK Where...
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- Why is charophyte green algae (CGA) considered to be the closest living relatives to the land plants?arrow_forwardTrue or False: Chlorophytes share a common ancestor with euglenophytes?arrow_forwardMany fungi are decomposers and degrade organic matter (such as wood and leaf litter). It has become clear that many of these decomposers are also able to colonize live plants as endophytes (living inside the plant without causing any harm) and allowing for prime access to plant tissues once the plant dies. Explain, using the principles of natural selection, how having the ability to be both a decomposer and endophyte evolved. Make sure you include the four steps of evolution by natural selection in your response.arrow_forward
- What is the dominant phase in the life cycle of a Pterophyte? Is it haploid or diploid? dentify the structure pictured below.arrow_forwardAt which point on the phylogenetic tree did dominant sporophyte generation evolvearrow_forwardCompare and contrast the following terms: A. Pterophyte and pteridophyte B. Thallophyte and tracheophyte C. Cryptogram and phanerogamarrow_forward
- In which organisms gametophytic and sporophytic phases are independent?arrow_forwardGive the account of the evolution of land plants from their supposed algal ancestry.arrow_forwardIf the stomata of bryophytes and of vascular plants are not an example of convergent evolution, what is an alternative explanation for their appearance in these groups?arrow_forward
- Compare and contrast the following set of terms: a. ovulate cone and staminate cone b.pterophyte and pteridophyte c. thallophyte and tracheophyte d. cryptogram and phanerogamarrow_forwardIdentify four derived traits that distinguish plants from charophyte green algae and facilitate life on land. Explain.arrow_forwardBryophytes form a monophyletic group that transitions between green algae and vascular plants. Describe at least one similarity and one difference between bryophyte reproduction and green algae reproduction.arrow_forward
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