Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 31.1, Problem 1CC
Summary Introduction
To determine: The reason that the release of spores by sporangium is advantageous for a moss.
Introduction: Moss is a small and simple plant which belongs to the
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Byrophytes 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.
Is the sporophyte of mosses ever independent of the gametophyte? Explain.
What is the structure produced by moss spore on germination called?
Chapter 31 Solutions
Biology
Ch. 31.1 - Prob. 1CCCh. 31.2 - Why did giant dragonflies exist during the...Ch. 31.3 - Prob. 1CCCh. 31.4 - What were the goals of the Browning and Gunning...Ch. 31.4 - Prob. 2EQCh. 31.4 - Prob. 3EQCh. 31.5 - Core Skill: Modeling The goal of this modeling...Ch. 31.5 - Prob. 1CCCh. 31.5 - Core Skill: Connections Look ahead to Figure...Ch. 31.5 - Prob. 2CC
Ch. 31 - The simplest and most ancient phylum of modern...Ch. 31 - Prob. 2TYCh. 31 - A seedless plant phylum that is included in the...Ch. 31 - Prob. 4TYCh. 31 - The seed plants are also known as a. bryophytes....Ch. 31 - Prob. 6TYCh. 31 - Prob. 7TYCh. 31 - Prob. 8TYCh. 31 - Prob. 9TYCh. 31 - Prob. 10TYCh. 31 - List several common traits that lead evolutionary...Ch. 31 - Prob. 2CQCh. 31 - Prob. 3CQCh. 31 - Prob. 1COQCh. 31 - Prob. 2COQ
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- What benefits do plants obtain from the association with fungi?arrow_forwardWhich part of the life cycle of Equisetum is dominant, the sporophyte or gametophyte?arrow_forwardLabel cach of the following on the diagrarm of the moss lite cycle below: A) Name this structure B} Name this stage C) Name this stage - A Carrow_forward
- http://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_forwardMany fungal pathogens get food by causing plant cells to become leaky, releasing nutrients into the intercellular spaces. Would it benefit the fungus to kill the host plant in a way that results in all the nutrients leaking out? Explain.arrow_forwardIs the protonema part of the gametophyte or sporophyte generation?arrow_forward
- What is germ sporangium?arrow_forwardWhat is the process in the plant life cycle that occurs within sporangium and results in spores?arrow_forwardExplain at least three important roles for fungi growing in a temperate deciduous forest. What would happen if all the fungi in these forests went extinct? Explain, in detail, why ferns are better adapted for life on land than mosses. Explain how the structure of hyphae (and a mycelium) relates to the function of these cells.arrow_forward
- Diagram the life cycle of a moss, indicating which stages are sporophytic and which are gametophytic. Also indicate where meiosis and syngamy occur.arrow_forwardWhich of the following comparisons between the moss life cycle and fern life cycle are correct? A) Mosses have flagellated sperm that need water to reach the female gamete, while the sperm of ferns are unflagellated and are not dependent on water.B) The sporophyte generation is smaller than the gametophyte generation in mosses, but the sporophyte generation is much larger than the gametophyte generation in ferns.C) The spores are produced in capsules on stalks in mosses but in small structures called sori on the underside of leaves in ferns.D) The gametes are produced in gametangia in mosses but in specialized structures on the underside of leaves in ferns.E) Both kinds of plants depend on wind for dispersal of spores.arrow_forwardWhy are the central cells of the moss not called vascular tissue even it is also specialized in transporting water?arrow_forward
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