Ferns Mosses Other Spore Producing Plants
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Ferns Mosses Other Spore Producing Plants
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Author : Steve Parker
language : en
Publisher: Capstone
Release Date : 2009
Ferns Mosses Other Spore Producing Plants written by Steve Parker and has been published by Capstone this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Ferns categories.
Ferns Mosses Other Spore Producing Plants
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Author : Steve Parker
language : en
Publisher: Compass Point Books
Release Date : 2009-07
Ferns Mosses Other Spore Producing Plants written by Steve Parker and has been published by Compass Point Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-07 with Ferns categories.
Discusses how spore-producing plants grow and reproduce, different types, where they live, their life cycles, and how people use them.
Guide To Plant Spores
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Author : Florence J Martin
language : en
Publisher:
Release Date : 2020-08-21
Guide To Plant Spores written by Florence J Martin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-21 with categories.
Spore, a reproductive cell capable of developing into a new individual without fusion with another reproductive cell. Spores thus differ from gametes, which are reproductive cells that must fuse in pairs in order to give rise to a new individual. Spores are agents of asexual reproduction, whereas gametes are agents of sexual reproduction. Spores are produced by bacteria, fungi, algae, and plants.Bacterial spores serve largely as a resting, or dormant, stage in the bacterial life cycle, helping to preserve the bacterium through periods of unfavourable conditions. Spore production is particularly common among Bacillus and Clostridium bacteria, several species of which are disease-causing. Many bacterial spores are highly durable and can germinate even after years of dormancy.Bacillus megaterium, an endospore-forming bacterium. The nearly mature spore is visible within the mother cell (magnified about 17,000 times).Among the fungi, spores serve a function analogous to that of seeds in plants. Produced and released by specialized fruiting bodies, such as the edible portion of the familiar mushrooms, fungal spores germinate and grow into new individuals under suitable conditions of moisture, temperature, and food availability.Many larger algae reproduce by spores and are also capable of sexual reproduction. A number of red algae species produce monospores (walled nonflagellate spherical cells) that are carried by water currents and form a new organism upon germination. Some green algae produce nonmotile spores, called aplanospores, whereas others produce motile zoospores, which lack true cell walls and bear one or more flagella. The flagella allow zoospores to swim to a favourable environment in which to develop, whereas monospores and aplanospores must rely on passive transport by water currents.Among plants-all of which have a life cycle characterized by alternating generations of asexually and sexually reproducing individuals-spores are the reproductive agents of the asexual generation. Produced by the sporophyte (i.e., spore-bearing) generation, plant spores give rise to the haploid gametophyte (i.e., gamete-bearing) generation. Spores are most conspicuous in the non-seed-bearing plants, including liverworts, hornworts, mosses, and ferns. In these lower plants, as in fungi, the spores function much like seeds. In general, the parent plant sheds the spores locally; the spore-generating organs are frequently located on the undersides of leaves. The spores of plants that inhabit the edges of bogs or lakes are frequently shed into the water or are carried there by rain and are preserved in the sediments. Wind dispersal is a factor in plants that shed their spores explosively.Among the seed-bearing plants-the gymnosperms and the angiosperms-the haploid spores are far less conspicuous. They are not released from the parent plant, but rather they germinate into microscopic gametophyte individuals that are entirely dependent upon the diploid sporophyte plant. Gymnosperms and angiosperms form two kinds of spores: microspores, which give rise to male gametophytes, and megaspores, which produce female gametophytes.
The Structure Development Of The Mosses Ferns Archegoniatae
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Author : Douglas Houghton Campbell
language : en
Publisher:
Release Date : 1895
The Structure Development Of The Mosses Ferns Archegoniatae written by Douglas Houghton Campbell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1895 with Archegoniatae categories.
The Wondrous World Of Seedless Plants
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Author : M. Jean Craig
language : en
Publisher: Bobbs-Merrill Company
Release Date : 1973
The Wondrous World Of Seedless Plants written by M. Jean Craig and has been published by Bobbs-Merrill Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Nature categories.
Describes the characteristics and life cycles of a number of plants which have no flowers or seeds: algae, fungi, lichens, liverworts, mosses, ferns, and others.
Working With Ferns
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Author : Helena Fernández
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-11-11
Working With Ferns written by Helena Fernández and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11-11 with Science categories.
This well timed volume features a selection of chapters composed by experts in their respective fields. It covers a broad range of topics, from its fundamental biology to the fern’s population genetics and environmental and therapeutic applications.
The Structure And Development Of Mosses And Ferns Archegoniatae
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Author : Douglas Houghton Campbell
language : en
Publisher:
Release Date : 1913
The Structure And Development Of Mosses And Ferns Archegoniatae written by Douglas Houghton Campbell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1913 with Archegoniatae categories.
Structure And Development Of Mosses And Ferns
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Author : Douglas Houghton Campbell
language : en
Publisher:
Release Date : 1918
Structure And Development Of Mosses And Ferns written by Douglas Houghton Campbell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1918 with Ferns categories.
Native Ferns Moss Grasses
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Author : William Cullina
language : en
Publisher: Houghton Mifflin Harcourt
Release Date : 2008
Native Ferns Moss Grasses written by William Cullina and has been published by Houghton Mifflin Harcourt this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Gardening categories.
What makes a true garden out of a collection of flowering plants are the ferns, mosses, and grasses that are the verdant canvas on which nature paints its portraits. With this new volume, award-winning author Cullina completes the set of stunning books on native North American plants for the garden, 320 pp.
Inanimate Life
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Author : George M. Briggs
language : en
Publisher:
Release Date : 2021-07-16
Inanimate Life written by George M. Briggs and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-16 with categories.