Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 25, Problem 19RQ
The following structures are found on the underside of fern leaves and contain sporangia:
- sori
- rhizomes
- megaphylls
- microphylls
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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
The gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They
are also commonly monecious (single house for male and female gamete production). The
photo below shows a whole mount (w.m.) of a fern gametophyte at 4x.
Make a sketch of the specimen and label the following structures: archegonium,
antheridium, mature gametophyte (prothallus), rhizoids
MacB
The gametophyte of Pteridophytes is inconspicuous in comparison to the mosses. They are also
commonly monecious (single house for male and female gamete production). The photo below
shows a whole mount (w.m.) of a fern gametophyte at 4x.
Make a sketch of the specimen and label the following structures: archegonium, antheridium, mature
gametophyte (prothallus), rhizoids
Chapter 25 Solutions
Biology 2e
Ch. 25 - Figure 25.6 Which of the following statements...Ch. 25 - Figure 25.14 Which of the following statements...Ch. 25 - Figure 25.24 Which of the following statements...Ch. 25 - The land plants are probably descendants of which...Ch. 25 - Alternation of generations means that plants...Ch. 25 - Which of the following traits of land plants...Ch. 25 - How does a haplontic plant population maintain...Ch. 25 - What characteristic of Charales would enable them...Ch. 25 - Which one of these characteristics is present in...Ch. 25 - A scientist sequences the genome of Chara, red...
Ch. 25 - Which of the following features does not support...Ch. 25 - Which of the following structures is not found in...Ch. 25 - Stomata appear in which group of plants? Charales...Ch. 25 - The chromosome complement in a moss protonema is:...Ch. 25 - Why do mosses grow well in the Arctic tundra? They...Ch. 25 - A botanist travels to an area that has experienced...Ch. 25 - Microphylls are characteristic of which types of...Ch. 25 - A plant in the understory of a forest displays a...Ch. 25 - The following structures are found on the...Ch. 25 - The dominant organism in fern is the sperm spore...Ch. 25 - What seedless plant is a renewable source of...Ch. 25 - How do mosses contribute to returning nitrogen to...Ch. 25 - The production of megaphylls by many different...Ch. 25 - Why did land plants lose some of the accessory...Ch. 25 - What is the difference between extant and extinct?Ch. 25 - Describe at least two challenges that cactuses had...Ch. 25 - Describe a minimum of two ways that plants changed...Ch. 25 - To an alga, what is the main advantage of...Ch. 25 - In areas where it rains often, mosses grow on...Ch. 25 - What are the three classes of bryophytes?Ch. 25 - Describe two adaptations that are present in...Ch. 25 - Bryophytes form a monophyletic group that...Ch. 25 - How did the development of a vascular system...Ch. 25 - Which plant is considered the most advanced...Ch. 25 - Ferns are simultaneously involved in promoting...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Classify what specific or what groups of plants (could be all groups if it is common) possess the following: 1. flower 2. rhizoids 2. sporophyll 3. sperm with flagella 4. ovules 5. archegonium 6. rhizoids 7. phloem 8. pollen 9. roots 10. sporangium 11. carpel 12. sori/sorus 13. cones 14. wood 15. antheridium 15. seed coat 16. root hairs 17. xylemarrow_forwardDraw a fern life cycle and include the following terms: sporophyte, frond, rhizome, roots, sorus, sporangium, sporocytes, spores, developing gametophyte, prothallus, rhizoids, antheridium, archegonium, egg, sperm, zygote, embryo, developing sporophyte and young sporophytearrow_forwardThe male gametophyte of the moss looks identical to the female from the naked eye, but the photo below (I.s. at 4x and then at 40 x) shows that the tip contains the structures where male gametes are produced.arrow_forward
- Fern gametophytes are; small, green and photosynthetic Large brown and not photosynthetic Large well developed, and have true rootsarrow_forwardhttp://botit.botany.wisc.edu/botany_130/diversity/plants/mosses.html Make a complete moss life cycle with the following phases and structures. Note: download the images of Mnium from this link and arrange them in the exact sequence to make the lifecycle. Lifecycle structures with cell division: Meiosis, fertilization within archegonium, capsule (sporangium), spores (n), protonema (n) (Image), male gametophyte (n) (Image), female gametophyte (n) (Image), antheridia (Image), archegonia (Image), sperm, egg, water, zygote (2n), embryo, young growing sporophyte (2n), mature sporophyte (2n) (Image), rhizoids. You can insert the non-image part, using the textbox and fill out the suitable s text. For symbol, click on the shape option and inter in your lifecycle diagram at the required placearrow_forwardByrophytes are usually found in areas that are very wet or damp at least part of the year. Which of the following statements describes characteristics of byrophytes that make them dependent on water? State all that numbers that apply. 1. They have a dominant gametophyte phase. 2. They have swimming sperm that need water so they can swim to fertilize the eggs of other nearby plants. 3. They do not have lignin-stiffened vascular tissue or roots to effectively distribute water throughout the plant.arrow_forward
- What letter in the diagram identifies the sporophyte? Which letter in the diagram indicates the gametophyte? What letters in the diagram indicates the gametes? What letter in the diagram identifies the spores? What is the part of the lifecycle labeled I?arrow_forwardFill in the blanks: is the apical archegonial tissue that protects the maturing sporophyte.arrow_forwardPhylum Gnetophyta has three living genera and one of them is Ephedra. Given are the following of characteristic of Phylum Gnetophyta. Choose the best description for this plant. Choose 3 Found in the topics Common in Mexico, southwestern US and South East Asia Climbing vines Shrub with scale like leaves Unusual large and long leathery type of leaves Has an economic value as a good source of timber. Popular in Chinese medicine and used for weight lossarrow_forward
- Identify what plant group contains the following characteristic: 1. Leaves that resemble palms, and with cones in the center 2. Leaves that resemble a needle, and with cones at the branch 3. Possess strobilus that are club-like 4. Have xylem and phloem for nutrient transport 5. Have gemmae in the thallus 6. Don't have leaves in the stem and appears as whisk-like 7. Have sporophyte that resembles horns 8. Have flowersarrow_forwardFigure 1: Fern prothallus (https://en.wikipedia.org/wiki/File:Fern young sporophyte WM 2.jpg) 9) Label the following structures on Figure 1: • prothallus (gametophyte) sporophytearrow_forwardSelect all of the following that are true about the fern gametophyte. smaller than the sporophyte site of pollen production multicellular O produces gametesarrow_forward
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