Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 31.1, Problem 1CC
What advantages do flowering plants obtain by having such small and dependent gametophytes?
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Which of the following processes occurs in a plant's sexual life cycle?
sporophytes produce gametes by meiosis
sporophytes produce gametes by mitosis
gametophytes produce gametes by meiosis
gametophytes produce gametes by mitosis
What structure(s) are associated with making male gametophytes on flowering plants?
Which of the following is correct regarding female gametophyte development in
Angiosperms?
The female gametophyte develops in the anther
The female gametophyte develops in an ovule within an ovary
A female gametophyte develops from all four megaspores produced via meiosis
All cells of the female gametophyte are haploid
Chapter 31 Solutions
Principles of Biology
Ch. 31.1 - Prob. 1BCCh. 31.1 - What advantages do flowering plants obtain by...Ch. 31.1 - Prob. 2CCCh. 31.1 - Prob. 3CCCh. 31.1 - Prob. 1TYKCh. 31.1 - What is a unique combination of reproductive...Ch. 31.2 - What inference can you draw from the observation...Ch. 31.2 - Prob. 1TYKCh. 31.3 - Prob. 1CCCh. 31.3 - Prob. 2CC
Ch. 31.3 - Prob. 1BCCh. 31.3 - Prob. 1TYKCh. 31.4 - Prob. 1CCCh. 31.4 - Prob. 1TYKCh. 31.5 - Prob. 1TYKCh. 31 - Where do the pollen grams of flowering plants...Ch. 31 - Prob. 2TYCh. 31 - Where would you find female gametophytes of a...Ch. 31 - Prob. 4TYCh. 31 - Prob. 5TYCh. 31 - Prob. 6TYCh. 31 - Prob. 7TYCh. 31 - Prob. 8TYCh. 31 - Prob. 9TYCh. 31 - Why are pollen grain walls composed of...Ch. 31 - Prob. 2CCQCh. 31 - Prob. 3CCQCh. 31 - Prob. 1CBQ
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- 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_forwardIn an angiosperm life cycle, sexual reproduction includes: meiosis within the male gametophyte to produce sperm. meiosis within the female gametophyte to produce eggs. meiosis within the ovary to produce megaspores. fertilization leading to development of microspores. fertilization leading to development of megaspores.arrow_forwardWhich statement below is correct regarding the formation of the endosperm in angiosperms? O the endosperm is formed from the female gametophyte and is haploid O a single sperm nucleus fertilizes the egg nucleus to become the diploid zygote O a sperm nucleus forms both the zygote and the endosperm through double fertilization O a second sperm nucleus fuses with the two polar nuclei of the egg sac МacВook Pro G Search or type URL @ 2# $ & * 2 3 4 6 8 W E R Yarrow_forward
- The formation of a tough wall of sporopollenin around the male gametophyte leads to the production of what end product? -Ovules -Eggs -Anthers -Stamens -Pollenarrow_forwardThe three illustrations represent the three types of relationships between the haploid gametophyte and diploid sporophyte generations found among plants. Identify the types of plants and the characteristics that belong with each of the three types of relationships. Bryophyte Ferns Seed plants ferns and horsetails mosses, liverworts, and other bryophytes Ginko biloba, spruce trees, and other gymnosperms The gametophyte requires nourishment from the sporophyte in order to survive. The sporophyte and gametophyte generations grow independently and produce differently shaped plants. The sporophyte cannot survive without nourishment from the gametophyte. Answer Bank Incorrectarrow_forwardHow do fertilization and zygote formation occur in these plants? Do these processes depend on water?arrow_forward
- Flowering plants can be classified by:arrow_forwardWhich 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_forwardHow and from where do cotyledons develop from for a bean seed?arrow_forward
- what is the function of flower petal in plant reproduction?arrow_forwardWhat are the features and structures related to embryonic dependency in plants? What is a gametangia? What is the different between archegonia and antheridia? What is the apical meristem and why is that an important feature in plants?arrow_forwardMost of the approximately 900 species of gymnosperms are conebearing plants. On the surfaces of their cone scales are ovules, which later become seeds. These ovules are said to be naked because they are not completely enclosed by diploid tissue (as the ovules of angiosperms are). This characteristic gives the gymnosperms their name; gymnos is a Greek word meaning naked, and sperma means seed. Botanists now divide the gymnosperms into four groups: conifers, cycads, ginkgos, and gnetophytes.arrow_forward
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