Gametophytes develop into gametes and sporophytes develop into spores. True False In mosses and ferns, fertilization, and zygote and embryo formation occur in antheridia. True False Which of the following structures are in an archegonium of a moss? sterile jacket venter neck spermatogenous cells Ferns have roots and vascular tissues but mosses don't. True False

Gametophytes develop into gametes and sporophytes develop into spores. True False In mosses and ferns, fertilization, and zygote and embryo formation occur in antheridia. True False Which of the following structures are in an archegonium of a moss? sterile jacket venter neck spermatogenous cells Ferns have roots and vascular tissues but mosses don't. True False

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter25: Seedless Plants

Section: Chapter Questions

Problem 2VCQ: Figure 25.14 Which of the following statements about the moss life cycle is false? The mature...

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Figure 25.14 Which of the following statements about the moss life cycle is false? The mature gametophyte is haploid. The sporophyte produces haploid spores. The calyptra buds to form a mature gametophyte. The zygote is housed in the venter.
In mosses and ferns, fertilization, and zygote and embryo formation occur in antheridia. True False Sporopollenin makes spores resistant to dry environment and degradation. True False Which of the following structures are in an archegonium of a moss? sterile jacket venter neck spermatogenous cells Ferns have roots and vascular tissues but mosses don't. True False
Select all of the following that are true about the fern gametophyte. smaller than the sporophyte site of pollen production multicellular O produces gametes
The alteration of generations comes from the fact that the sporophyte generation and gametophyte generation occur alternately. True False The gametophytes of mosses are much smaller than their sporophytes. True False Gametophytes develop into gametes and sporophytes develop into spores. True False
Of the following structures, which one can you find in confers and flowering plants, but NOT in ferns? Spores Roots Seeds Vascular tissue
Which of the following statements false as it relates to the fern life cycle? Ferns are sporophyte dominant The fern gametophyte produces both sperm and egg cells The fern gametophyte has rhizoids Ferns are not dependent on water for fertilization
Moss gametophyte and sporophyte Describe the colors of the structure and their textures. Indicate which structures are haploid and diploid. Compare the morphology of the moss with the brown algae, polysiphonia, and spirogyra. What's the ecology of mosses and why are they sometimes called natures compass?
Table 1. Gametophytes of mosses, ferns, and flowers. Nonvascular or vascular Vascular Seedless or seed Plants Mosses (Bryophytes) Ferns (Pterophytes) Flowers (Angiosperms) Male Male Female Gametophyte Gamete Gametophyte Female Gamete Eggs
The gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They are also commonly monecious (single "house", or thallus for male and female gamete production). The photo below shows a whole mount (w.m.) of a fern gametophyte at 40x. Make a sketch of the specimen and label the following structures: archegonium, antheridium, mature gametophyte (a.k.a. prothallus), rhizoids 90
Complete the following paragraph to describe the characteristics of liverworts and mosses. antheridia protonema rhizoids sexual gemmae roots archegonia fragmentation asexual 1999 binary fission gemmules thalli Reset Help Liverworts and mosses are examples of nonvascular plants. Liverworts such as Marchantia have a smooth upper surface, and a lower surface with that project into the soil. The smooth upper surface of the thallus of a liverwort contains groups of cells called cups that can produce new plant organisms asexually. During sexual reproduction in liverworts, flagellated sperm are produced by and eggs are produced by After fertilization, small sporophytes produce windblown spores. Typically, mosses can reproduce asexually by almost every part of the moss plant to produce During the life cycle of a moss, a its structure. This process allows will produce upright leafy thalli along The thalli of a moss produce antheridia and archegonia, which are involved in reproduction.
Place the following structures of a fern in the correct order of its lifecycle following the fiddlehead: frond, gametes, prothallus, spore, zygote.
Which of the following are parts of the gametophyte generation in mosses: antheridia, zygote, embryo, capsule, archegonia, sperm cells, egg cell, spores, and protonema?