CAMPBELL BIOLOGY-MASTERINGBIOLOGY ACC.
11th Edition
ISBN: 9781323488638
Author: Pearson
Publisher: PEARSON
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Textbook Question
Chapter 30, Problem 1TYU
Where in an
(A) in the style of a flower
(B) enclosed in the Stigma of a flower
- (C) within an ovule contained within an ovary of a flower
- (D) packed into pollen sacs within the anthers found on a stamen
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Where in an angiosperm would you finda megasporangium?(A) in the style of a flower(B) enclosed in the stigma of a flower(C) within an ovule contained within an ovaryof a flower(D) packed into pollen sacs within the anthers found on astamen
Another distinguishing feature of gymnosperms is that they have resin ducts, which conduct complex chemical compounds such tar, resins and turpentine. What is the function of these three chemicals?
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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_forwardThe seed that develop post-fertilisation are not covered in gymnosperms why?arrow_forwardWhat is the evolutionary importance of the fruits for the angiosperms?arrow_forward
- what evolutionary advantage does double fertilization provide angiosperms over gymnosperms?arrow_forwardIn what three ways does reproduction in the angiosperms differ from that of the gymnosperm?arrow_forwardAre gymnosperms heterosporous or homosporous? Explain what this means. What are the evolutionary “advances” represented by the seed?arrow_forward
- Both gymnosperm and angiosperm bear seed ,then why are they classified seperatedly?arrow_forwardWhat do pollen chamber in gymnosperms represent?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_forward
- What is the mechanism of pollination in gymnosperms and how the size and presence of wings on each grain help affect pollination. Which structures are haploid and which are diploid? Are pollen grains the same as spores? Why would anybody care about the structures of conifer pollenarrow_forwardFruits do not form in gymnosperms becausea. in gymnosperms, the seed is surrounded by the ovule.b. in angiosperms, the ovary is surrounded by the ovule.c. in gymnosperms, the ovule is surrounded by the ovary.d. in angiosperms, the ovule is surrounded by the ovary.arrow_forwardLilium Ovary Describe the function of each structure (Central column, ovule, funiculus, septum, pericarp, and locule) Compare the lily ovary to the pistillate strobilus of a gymnospermarrow_forward
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