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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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
Flowers are adaptations for _______
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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- ________ stems are soft and green or brown and woody.arrow_forwardWrite if it is true or false and if it's false, kindly change and put the correct answer from the underlined word. Question 18Angiosperms would have naked seeds and are well-known for producing cones. Question 24Antipodals are the main site of attachment when the pollen tube reaches the embryo sac.arrow_forwardIn Sunflower, If the flower is gamopetalous, are the stamens epipetalous? If so, are the stamens inserted on the tube or on the throat of the corolla? Are the stamens connivant or not? If there are as many stamens as petals, are the stamens opposite or alternate with the petals or lobes of the corolla? Split the corolla from top to bottom to determine this.arrow_forward
- Name the structure indicated by the letter A. Name the structure indicated by the letter B Name the structure indicated by the letter C. What is the term used to describe this part the flower indicated by the letter D? Is the structure in the image indicated by the letter D considered male or female?arrow_forwardLabel all the visible parts of this cross-section of the Hibiscus rosa-sinensis stem. Give an appropriate description this image.arrow_forwardIn Sunflower, if it is a gamopetalous, are the stamens epipetalous? If so, are the stamens inserted on the tube or on the throat of the corolla? Are the stamens connivant or not? If there are as many stamens as petals, are the stamens opposite or alternate with the petals or lobes of the corolla?arrow_forward
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