CAMPBELL BIOLOGY-MASTERINGBIOLOGY ACC.
11th Edition
ISBN: 9781323488638
Author: Pearson
Publisher: PEARSON
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Chapter 30, Problem 30.3CR
Explain why Darwin called the origin of
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Explain why Darwin called the origin of angiosperms an “abominablemystery,” and describe what has been learned from fossil evidenceand phylogenetic analyses.
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?
List and briefly describe at least three adaptations that havecontributed to the evolutionary success of angiosperms.
Chapter 30 Solutions
CAMPBELL BIOLOGY-MASTERINGBIOLOGY ACC.
Ch. 30.1 - Contrast how sperm reach the eggs of seedless...Ch. 30.1 - What features not present in seedless plants have...Ch. 30.1 - WHAT IF? If a seed could not enter dormancy, how...Ch. 30.2 - Use examples from Figure 30.7 to describe how...Ch. 30.2 - Explain how the pine life cycle in Figure 30.4...Ch. 30.2 - Prob. 3CCCh. 30.3 - It is said that an oak is an acorns way of making...Ch. 30.3 - Compare and contrast a pine cone and a flower in...Ch. 30.3 - WHAT IF? Do speciation rates in closely related...Ch. 30.4 - Explain why plant diversity can be considered a...
Ch. 30.4 - Prob. 2CCCh. 30 - Describe how the parts of an ovule (integument....Ch. 30 - Although there are fewer Ihan 1,000 spedes of...Ch. 30 - Explain why Darwin called the origin of...Ch. 30 - Prob. 30.4CRCh. 30 - Where in an angiosperm would you find a...Ch. 30 - Prob. 2TYUCh. 30 - With respect to angiosperms, which of the...Ch. 30 - Which of thc following is not a characteristic...Ch. 30 - Gymnosperms and angiosperms liave tlie following...Ch. 30 - DRAW IT Use the letters a-d to label where on the...Ch. 30 - EVOLUTION CONNECTION The history of life has been...Ch. 30 - Prob. 8TYUCh. 30 - WRITE ABOUT A THEME: ORGANIZATION Cells arc the...Ch. 30 - Prob. 10TYU
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- Which of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.arrow_forwardDouble fertilization evolved independently in gnetophytes and in flowering plants. Name two other features usually associated with angiosperms that evolved independently in gymnosperms.arrow_forwardDraw a diagram of L.S. of an anatropous ovule of an Angiosperm & label the following parts :- (i) Nucellus (ii) Integument (iii) Antipodal cells (iv) Secondary Nucleus.arrow_forward
- the diversity of the angiosperms is partly attribute to the development o fruit and seed. describe the functions of both and explain why these structures conferred an advantage to angiospermsarrow_forwardxplain why Darwin called the origin of angiosperms an “abominablemystery,” and describe what has been learned from fossil evidenceand phylogenetic analyses.arrow_forwardSummarize the evolution of gymnosperms from seedless vascular plants and trace the evolution of flowering plants from gymnosperms.arrow_forward
- Apply your understanding of angiosperms to identify which innovations likely contributed to the tremendous success of angiosperms.a. wind pollinationb. coevolution of flowers and their pollinatorsc. cones that protect the seedd. dominant gametophyte generationarrow_forwardWhich of the following adaptations possibly explain(s) why angiosperms are more diverse than gymnosperms on planet Earth: Group of answer choices Seeds Seeds AND Fruits and Flowers AND Pollen tube Fruits and Flowers Fruits and Flowers AND Pollen tube Pollen tubearrow_forwardExplain Geological history of gymnospermsarrow_forward
- Discuss the significance of angiosperms to humans and natural ecosystems. (make it short please)arrow_forwardDiscuss two reasons why angiosperms have been so much more evolutionarily successful than gymnosperms.arrow_forwardCompare the life cycles of both an angiosperm and a gymnosperm by describing the differences and similarities in microgametogenesis, megagametogenesis, pollination, fertilization l, and seed development.arrow_forward
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