Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 28, Problem 5TYU
Test Your Understanding
Know and Comprehend
5. Motile sperm cells are found as vestiges in these two gymnosperm groups: (a)
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Motile sperm cells are found as vestiges in these two gymnosperm groups: (a) monocots, eudicots (b) gnetophytes, conifers (c) gnetophytes, flowering plants (d) cycads, conifers (e) cycads, ginkgo
Postlab: Bryophytes, Seedless Vascular Plants &
Gymnosperms
1. What is the conspicuous form of the bryophytes? Is this form haploid or diploid?
2. The part that produces the male gametes is called the....?
3. The part that produces the female gametes is called the...
4. Spores are produced by which cell division process?
5. What is the conspicuous form of the seedless vascular plants? Is it haploid or diploid?
6. What are microspores? Where are they produced in gymnosperms?
7. Megaspores give rise to which structure in gymnosperms?
8. How are most gymnosperms pollinate
d?
9.
In gymnosperms, the material that nourishes the embryo derives from what tissue?
10. How can you visually differentiate a male from a female cone in pines?
11. The scales of pine cones are
(a) always green.
(b) modified roots.
(c) modified leaves.
(d) modified stems.
12. Plants that make flowers are called
(a) gymnosperms.
(b) byrophytes.
(c) gametophytes.
(d) angiosperms.
13. The class of plants that has vascular tissue and reproduces with spores is the
(a) clubmosses.
(b) liverworts.
(c) flowering plants.
(d) conifers.
14. The embryonic stem in a seed is called the
(a) radicle.
(b) hypocotyl.
(c) seed cont.
(d) endosperm.
15. Pollen contains
(a) male gametes.
(b) female gametes.
(c) fruits.
(d) a stigma.
Chapter 28 Solutions
Biology (MindTap Course List)
Ch. 28.1 - Prob. 1LOCh. 28.1 - Prob. 1CCh. 28.1 - Prob. 2CCh. 28.2 - Trace the steps in the life cycle of a pine and...Ch. 28.2 - Summarize the features that distinguish...Ch. 28.2 - Name and briefly describe the four phyla of...Ch. 28.2 - What is the dominant generation in the pine life...Ch. 28.2 - Prob. 2CCh. 28.2 - Prob. 3CCh. 28.2 - Prob. 4C
Ch. 28.3 - Summarize the features that distinguish flowering...Ch. 28.3 - Briefly explain the life cycle of a flowering...Ch. 28.3 - Contrast monocots and eudicots, the two largest...Ch. 28.3 - Prob. 8LOCh. 28.3 - How do nonreproductive adaptations of flowering...Ch. 28.3 - How does the flowering plant life cycle differ...Ch. 28.3 - What are the two major classes of flowering...Ch. 28.3 - Prob. 4CCh. 28.4 - Summarize the evolution of gymnosperms from...Ch. 28.4 - What features distinguish progymnosperms from seed...Ch. 28.4 - Describe the significant features of the oldest...Ch. 28.4 - Are monocots considered basal or core angiosperms?...Ch. 28 - Test Your Understanding Know and Comprehend 1....Ch. 28 - Test Your Understanding Know and Comprehend 2....Ch. 28 - Test Your Understanding Know and Comprehend 3. The...Ch. 28 - Prob. 4TYUCh. 28 - Test Your Understanding Know and Comprehend 5....Ch. 28 - Test Your Understanding Know and Comprehend 6....Ch. 28 - Test Your Understanding Know and Comprehend 7. A...Ch. 28 - Test Your Understanding Know and Comprehend 8. A...Ch. 28 - Test Your Understanding Know and Comprehend 9....Ch. 28 - Prob. 10TYUCh. 28 - Test Your Understanding Know and Comprehend 11....Ch. 28 - Prob. 12TYUCh. 28 - Test Your Understanding Apply and Analyze 13. You...Ch. 28 - VISUALIZE Sketch a seed of a gymnosperm and of a...Ch. 28 - CONNECT How do the life cycles of seedless plants...Ch. 28 - Prob. 16TYUCh. 28 - Test Your Understanding Evaluate and Synthesize...Ch. 28 - Test Your Understanding Evaluate and Synthesize...
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- Test Your Understanding Know and Comprehend 3. The immature male gametophytes of pine are called (a) ovules (b) stamens (c) seed cones (d) pollen grains (e) polar nucleiarrow_forwardTest Your Understanding Know and Comprehend 9. After fertilization, the______________ develop(s) into a fruit and the ______________ develop(s) into a seed. (a) ovary; ovule (b) polar nuclei; ovule (c) ovary; endosperm (d) ovule; ovary (e) ovule; polar nucleiarrow_forwardShow all working explaining detailly each step. Answer should be type written with a computer keyboard!arrow_forward
- The part of gynoecium that determines the compatible nature of pollen is: (a) stigma (b) style (c) ovary (d) synergidsarrow_forwardPlease answer question 2arrow_forwardWhere 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 astamenarrow_forward
- Which of the following is not a characteristic that distinguishesgymnosperms and angiosperms from other plants?(A) dependent gametophytes(B) ovules(C) pollen(D) alternation of generationsarrow_forwardTest 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_forwardDiscuss Concepts Compare the size, anatomical complexity, and degree of independence of a Douglas fir female gametophyte and a dogwood female gametophyte. Which one is the most protected from the external environment? Which trend(s) in plant evolution does your work on this question bring to mind?arrow_forward
- Test Your Understanding Apply and Analyze 13. You are given a plant that you have never seen before (see figure). Is it a gymnosperm or angiosperm? A monocot or eudicot? What are the features that helped you make these determinations?arrow_forwardTest Your Understanding Know and Comprehend 1. Seed plants lack which of the following structure(s)? (a) ovules surrounded by integuments (b) microspores and megaspores (c) vascular tissues (d) a large, nutritionally independent sporophyte (e) a large, nutritionally independent gametophytearrow_forwardIn which of the following geological periods would gymnosperms dominate the landscape? Carboniferous Permian Triassic Eocene (present)arrow_forward
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