Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 26.4, Problem 3CC
MAKE CONNECTIONS Suppose the Bennettitales and extant
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Describe what the early angiosperm may have been like with regard to flowers, body, ecołogy, wood and pollen. For each of the characters, what living angiosperms still have those characters? In what ways have those changed in certain lines of evolution?
Create a hypothetical phylogenetic tree using 11 plant species listed below.
Chara, Nitella, Marchantia, Polytrichum, Equistem, Psilotum, Polypodium, Pinus, Zamia, Arabidopsis, and Lilium.
Divide the species into five specific groups (Charophytes, Bryophytes, Monolithophytes, Gymnosperms, and Angiosperms) which will be the clades of your phylogenetic tree.
Now you will practice identifying the phylogenetic tree that corresponds to a given character table. The following table shows three key events in the evolution of plants: the development of vascular tissue, the development of flowers, and the development of seeds.
Plant groups
Vascular Tissue
Flowers
Seeds
Gymnosperms
1
0
1
Mosses
0
0
0
Ferns
1
0
0
Angiosperms
1
1
1
Select the phylogenetic tree that correctly represents the data in the character table.
Chapter 26 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 26.1 - Why do researchers identify charophytes rather...Ch. 26.1 - Prob. 2CCCh. 26.1 - Prob. 3CCCh. 26.1 - WHAT IF? What would the human life cycle be like...Ch. 26.2 - Prob. 1CCCh. 26.2 - Describe the importance of mycorrhizae, both today...Ch. 26.2 - MAKE CONNECTIONS Review Figures 8 .3 and 8.5. If a...Ch. 26.3 - Prob. 1CCCh. 26.3 - Prob. 2CCCh. 26.3 - MAKE CONNECTIONS Monilophytes and seed plants both...
Ch. 26.4 - What features not present in seedless plants have...Ch. 26.4 - Explain why Darwin called the origin of...Ch. 26.4 - MAKE CONNECTIONS Suppose the Bennettitales and...Ch. 26.5 - Prob. 1CCCh. 26.5 - Prob. 2CCCh. 26.5 - MAKE CONNECTIONS Figure 1.9 illustrates the...Ch. 26.5 - Prob. 4CCCh. 26 - Prob. 1TYUCh. 26 - Which of the following characteristics of plants...Ch. 26 - Prob. 3TYUCh. 26 - Prob. 4TYUCh. 26 - Prob. 5TYUCh. 26 - DRAW IT Use the letters a-d to label where on the...Ch. 26 - SCIENTIFIC INQUIRY INTERPRET THE DATA The grass...Ch. 26 - FOCUS ON EVOLUTION The history of life has been...Ch. 26 - FOCUS ON INTERACTIONS Giant lycophyte trees of...Ch. 26 - SYNTHESIZE YOUR KNOWLEDGE These stomata are from...
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- Test Your Understanding Evaluate and Synthesize 18. EVOLUTION LINK Where would you place the progymnosperms on Figure 28-2? Explain your reasoning. Figure 28-2 Gymnosperm and angiosperm evolution This cladogram shows a current hypothesis of phylogenetic relationships among living seed plants, based on structural evidence, molecular comparisons, and fossils. Relationships among extant gymnosperm clades and angiosperms remain controversial. The arrangement of the phyla shown here may change as future analyses help clarify relationships.arrow_forwardWhat characteristics serve to distinguish the Araceae from the Arecaceae? Tabulate your answers. Explain why the orchids are the dominant vascular epiphytes in tropical rainforests? Explain why the grass family is of greater importance to man than any other family of flowering plants.arrow_forwardOne of the major phylogenetic conclusions of this study is: choose one a. The Ginkgoales are the sister group to angiosperms among extant gymnosperms. b. There is no sister group to angiosperms among extant gymnosperms. c. The Cycads are the sister group to angiosperms among extant gymnosperms. d. The Gnetales are the sister group to angiosperms among extant gymnosperms. e. The Conifers are the sister group to angiosperms among extant gymnosperms.arrow_forward
- Which of the following statements characterize the megaphyll line of evolution? A) They differ from microphylls by developing a single, unbranched vein rather than a branched vascular system.B) They are believed to have evolved from branching telomeres that flattened and developed photosynthetic tissue between the branches.C) They developed into leaves that can also be called lycophyllsD) They developed into the large leaves of the angiospermsarrow_forwardWhat evolutionary advantages do seed provide over spores? What was early gymnosperm ecology like? What ecological role did gymnosperms perform as the dominant terrestrial plant type 250 million years ago? what were did angiosperms begin to replace gymnosperms as the new dominant plant type in terrestrial ecosystemsarrow_forwardDescribe how fern diversity has been affected by the evolution of the angiosperms.arrow_forward
- Summarize the evolution of gymnosperms from seedless vascular plants and trace the evolution of flowering plants from gymnosperms.arrow_forwardThe Apiaceae is closely related to the Araliaceae, the family to which ginseng and octopus tree belong. Know the characters which the two families share in common. List down features of Asteraceae that are considered advanced relative to other dicotyledonousarrow_forwardDescribe and compare at least two differences in the stem architecture of the ferns and the ancient conifers.arrow_forward
- Use examples from Figure 30.7 to describe how various gymnosperms are similar yet distinctive.arrow_forwardDiagram the relationship between the sporophyteand gametophyte generations in bryophytes, ferns,gymnosperms, and angiosperms. Show the relative sizesand physical interactions (if any) of the two generations.arrow_forwardDraw a generalized pine tree life cycle and identify the following structures: male and female gametophytes, pollen grain, integuments, archegonium, egg, embryo, and sporophyte.arrow_forward
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