Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 30, Problem 7TYKT
Summary Introduction
To examine: Whether the statement “A stamen consists of a filament and an anther that produces microspores, which give rise to pollen grains” is true or false.
Concept introduction: A flower consists of four parts, sepals, petals, stamens, and carpels. Petals and sepals together form the perianth. The carpels and stamens are the sexual organs that are present at the center of the flower. The stamens are the male reproductive part of a flower and are collectively called androecium.
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Label the following: calyx, petals, stamens, and pistil
Stamens, sepals, petals, and carpels are ________.
Now examine the demonstration slide of a c.s. of an immature lily anther and identify the
four pollen sacs, or microsporangia (see text Figure 19-14a, page 466). Note the layer of
cells immediately surrounding the microspore mother cells (microsporocytes, or pollen
mother cells). This is the tapetum.
3. Label the pollen sacs and microsporocytes in Figure 2. below.
Figure 2. Lilium immature anther c.s.
Photo by Carolyn Alling
4. What is the ploidy level (haploid or diploid) of the microspore mother cell?
Of the megaspore mother cells?
(29/10 19eal to toping
125
Chapter 30 Solutions
Study Guide for Campbell Biology
Ch. 30 - Why is the evolution of pollen an important...Ch. 30 - Label the parts in the following generalized...Ch. 30 - a. Describe a pollen cone and the formation of a...Ch. 30 - In the following diagram of the life cycle of an...Ch. 30 - Fill in the following table, which compares...Ch. 30 - Describe the characteristics of seed plants that...Ch. 30 - Prob. 2SYKCh. 30 - Current morphological and molecular evidence...Ch. 30 - Prob. 1TYKTCh. 30 - Prob. 2TYKT
Ch. 30 - Prob. 3TYKTCh. 30 - Prob. 4TYKTCh. 30 - Prob. 5TYKTCh. 30 - _______ A fruit consists of an embryo, nutritive...Ch. 30 - Prob. 7TYKTCh. 30 - Prob. 8TYKTCh. 30 - Prob. 1TYKCh. 30 - Prob. 2TYKCh. 30 - For a pine seed, which of the following choices...Ch. 30 - Gymnosperms rose to dominance during the a....Ch. 30 - In a pine tree, where would you find a...Ch. 30 - Prob. 6TYKCh. 30 - Prob. 7TYKCh. 30 - Which of the following pairs is mismatched? a....Ch. 30 - Prob. 9TYKCh. 30 - Prob. 10TYKCh. 30 - Prob. 11TYKCh. 30 - Prob. 12TYK
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