Morphology and Life Cycle

Descriptions and microscopic images of strucutres of the mosses, liverworts and hornworts.

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Bryophytes (mosses, liverworts, and hornworts) are the only land plants (embryophytes) whose life history includes a dominant gametophyte (haploid) stage. The form of the gametophyte is varied, yet
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2. Antheridia

A description of the male reproductive structure and a microscopic image.

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Antheridia are the male sexual organs of the gametophyte generation of mosses and liverworts. They consist of simple sacs with a wall usually only one or two cells thick, and with a short stalk.
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3. Archegonia

A description of the female reproductive structure and a microscopic image.

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are the female organs of the gametophyte generation of a moss or liverwort. They consist of flask-like structures with an elongated neck, and at their base an egg cell . Above the egg cell run a
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4. Bryophyte Structure

Descriptions of the anatomical features of bryophytes.

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There are approximately 14,500 species of mosses. They are world-wide in distribution and can be found at sea level as well as the highest altitudes occupied by plants. Although they can occur in
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5. Bryophytes

Their morphology and life cycles.

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Department of Biological & Chemical Sciences, Cave Hill Campus, Barbados. The Future of Plant Biology organized by "Web Pick of the Day", in April, Wednesday 17 January 2001 Is
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6. Bryophytes

A description of the main characteristics of mosses, liverworts and hornworts.

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7. Spore Dispersal in Bryophytes

The structure of capsules and methods of spore dispersal.

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SPORE DISPERSAL IN BRYOPHYTES The sporophyte generation is short-lived. It comprises a capsule which produces spores by meiosis and a stalk which holds this aloft the gametophyte. The spores once
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8. Capsule

A longitudinal cross-section of a capsule.

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Capsula in sezione longitudinale in cui è visibile l'opercolo, la columella e la massa delle spore. Università degli Studi di Catania Centro Universitario per la Tutela e la Gestione degli
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9. Mosses and Liverworts

A description of the various methods of reproduction of bryophytes.

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Mosses and liverworts, simple by Jan Parmentier with photographs by the author Mosses (Bryophyta) are quite interesting, simple green land plants with leaves and a stem and always without roots.
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10. Chloronema

Image of the initial stage of protonemal development.

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