CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
Chapter 17, Problem 4TYK
Which of the following structures produce eggs and sperm? (Explain your answer.)
a. fern sporophytes
b. moss gametophytes
c. the anthers of a flower
d. moss sporangia
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What is the flower symmetry of a yellow bell? Why?
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Which of the following pairs of plant structure has the haploid number ofchromosomes?
A. Megaspore mother cell and antipodal cells
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Compare what happens to a spore mother cell as it gives rise to a spore with what happens to a spore as it gives rise to a gametophyte.
a. The spore mother cell and the spore both go through meiosis.
b. The spore mother cell and the spore both go through mitosis.
c. The spore mother cell goes through mitosis, and the spore goes through meiosis.
d. The spore mother cell goes through meiosis, and the spore goes through mitosis.
Chapter 17 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
Ch. 17 - In this abbreviated diagram, identify the four...Ch. 17 - Identify the cloud seen in each photograph....Ch. 17 - Angiosperms are different from all other plants...Ch. 17 - Which of the following structures produce eggs and...Ch. 17 - The eggs of seed plants are fertilized within...Ch. 17 - The diploid sporophyte stage is dominant in the...Ch. 17 - Prob. 7TYKCh. 17 - Prob. 8TYKCh. 17 - Prob. 9TYKCh. 17 - Prob. 10TYK
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- The pollen lands on which part of the flower? a. stigma b. style c. ovule d. integumentarrow_forwardAnswer the following given plant structure if it is part of sporophyte generation, gametophyte generation, or both. 1. sorus - 2. sporophyll - 3. xylem tissue - 4. antheridium - 5. archegonium - 6. flagellated sperm - 7. carpel - 8. rhizoids - 9. roots - 10. sporangium - 11. pollen - 12. wood - 13. ovules - 14. seed coat - 15. cone -arrow_forwardSeeds and pollen grains are key adaptations for life on land. These adaptations relate to reproductive success and survival advantages. The following questions require you to explain some of these adaptations. A. Contrast sperm delivery in seedless plants with sperm delivery in seed plants. (5-6 sentence) B. Discuss at least one feature of seed plants that contributed to their success on land in contrast with seedless plants. (2-3 sentences) C. Flowering plants (Magnoliophyta) are the most successful of all plant groups in terms of their species diversity and ubiquity across habitat types. Climate warming is causing shifts in the timing of life history events for many species. Discuss how climate warming may influence reproductive strategies employed by flowering plants. (2-3 sentence)arrow_forward
- Which group of plants bears stomata only in the sporophyte generation? a. Chrysophyta b. Anthocerophyta c. Bryophyta d. Marchantiophyta Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants? a. Pollen b. Dependent gametophytes c. Ovules d. Alternation of generations Which of these statements is an incorrect comparison of a pine cone and a flower in terms of structure and function? a. Pine cones and flowers both have gametophytes and modified leaves that produce spores. b. All of the statements are correct. c. Unlike pine cones, many flowers produce both pollen and ovules. d. Pine trees have separate pollen cons and ovulate cones while in flowers, pollen grains are produced by the anthers of stamens, and ovules are within the ovaries of carpels.arrow_forwardThe following structures are found on the underside of fern leaves and contain sporangia: a. sori b. rhizomes c. megaphylls d. microphyllsarrow_forwardIn the life cycle of a bryophyte, represent(s) the gametophyte (haploid) form and represents the sporophyte (diploid) form. A. microscopic gametes; a multicellular leafy structure B. the multicellular foliose form; a smaller, temporary, dependent structure C. a gemmae cup; the leafy permanent portion D. a multicellular foliose form; a gemmae cup E. a multicellular foliose form; a collection of spores or soriarrow_forward
- In flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microsporesarrow_forwardWhich 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_forwardWhich of the following structures is not found in bryophytes? a. a cellulose cell wall b. chloroplast c. sporangium d. rootarrow_forward
- Which of the following statements about the haplodiplontic life cycle of land plants is/are TRUE? A During the sporophyte stage, sporangia house diploid mother cells that will eventually undergo meiosis. B Sperm develop from mitosis in the archegonium. C Spores grow by mitosis into mature haploid gametophytes. D The gametophytic stage begins with a diploid spore. EA and C are both true.arrow_forwardUse the fern life cycle to answer the following questions in detail and explain: a. Is the dominant stage of a fern a gametophyte or a sporophyte? b. Are the cells of a fern diploid or haploid? c. Do ferns produce gametes or spores for reproduction?arrow_forwardPrimary meristems produce tissues that A) increase the length of a plant B) produce the cork cambium C) increase the width of a plant D) lead to the production of bark E) increase the mass of a plantarrow_forward
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