EducationMastering Biology Hw 5
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Mastering Biology Hw 5

Dahlia Lee avatar Dahlia Lee
24 July 2022
4.7 (114 reviews)
23 test answers

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question
1. Angiosperms are most closely related to __________.
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Gymosperms
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2. Which of these was the dominant plant group at the time that dinosaurs were the dominant animals?
answer
Gymosperms
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3. This is an image of a(n) _______.
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Charophycean
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4. Plants evolved from green algae approximately ___________ million years ago.
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475
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5. ___________ are an example of seedless vascular plants.
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Ferns
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6. The living plants that are most similar to the first plants to bear gametangia are the _________.
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Bryophytes
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7. Which of these characteristics is shared by algae and seed plants?
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Chloroplasts
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8. Which statement is true for all sexually reproducing plants and animals?
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The process of meiosis produces haploid cells
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9. Which structure are haploid? Select all that apply
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Spores Egg Gametophyte
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10. Consider the characteristics of moss and fern life cycle. Which of the following sets of statements is true?
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In mosses, the gametophyte is the dominant stage of the life cycle; in ferns, the sporophyte is the dominant stage of the life cycle. In both mosses and ferns, moisture is required for sperm to reach the egg.
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11. Which of these represents that sporophyte generation of the moss life cycle?
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E
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12. In moss, ______ produces sperm.
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Antheridia
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13. The sperm produced by mosses require _______ to reach an archegonium.
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Moisture
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14. In mosses gametes are produced by _______; in ferns gametes are produced by __________.
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Mitosis ..... Mitosis
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15. Label the structure on this diagram of a moss.
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a) Sporophyte b) Seta c) Sporangia d) Foot e) Gametophyte f) Rhizoid
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16. Arrange the events in the life cycle of mosses in the flowchart below.
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#1 Mature sporophytes produce haploid spores, dispersed by the wind #2 Separate spores develop into female and male gametophyte #3 Haploid eggs form in archergonia and haploid sperm form in antheridia #4 Haploid gametes undergo fertilization, forming a diploid zygote. #5 The diploid zygote develops into a sporophyte
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17. In mosses gametes are produced by ________; in ferns gametes are produced by _______.
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Mitosis ..... Mitosis
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18. Which of these structure is diploid?
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D
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19. Where do fern antheridia develop?
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On the underside of the gametophyte
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20. The conspicuous part of a fern plant is a __________.
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Diploid Sporophyte
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21. Select the correct statement about plant life cycles.
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At some point in the life cycle of all plants, the sporophyte is dependent on its gametophyte parent
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22. Select the correct statement contrasting gametophytes and sporophytes.
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Sporophytes are diploids, whereas Gametophytes are haploid
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23. Select the correct statement about the life cycle of a fern.
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Plant Gametophytes are Haploid multicellular bodies