Title: A Moss Life Cycle: Dominant Gametophyte - Video & Lesson Transcript | Study.com
Headings: A Moss Life Cycle: Dominant Gametophyte
A Moss Life Cycle: Dominant Gametophyte
Lesson Transcript
Introduction to Mosses
Review of Alternation of Generations
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A Moss Life Cycle: Dominant Gametophyte
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Content: At the end, a round capsule may be seen. The entire sporophyte structure can be seen here sticking out of the top of the dominant haploid stage. The parts of the sporophyte

The capsule contains sporangium, which produces spores. Within the sporangium are specific cells, sporocytes, that undergo meiosis to produce haploid spores. These spores are then released and will eventually become either a male or a female gametophyte, continuing the life cycle. Lesson Summary
Mosses are non-vascular plants that are small and live in close groups mostly in damp environments. Unlike more advanced plants, mosses have a dominant haploid stage. Moss gametophytes are generally either male or female. Male gametophytes contain antheridia, which produce and release the male gamete - sperm. Female gametophytes contain archegonia, which produce the female gamete - eggs.