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Life cycle of a moss
- production of gametes and Fertilization
- Archegonia produce eggs
- 1 egg retained at the base of each archegonium
- egg and sperm produced by mitosis
- 1 egg retained at the base of each archegonium
- on same plant identical - on different plants cross fertilitation
- Antherida produce sperm
- flagellated and released to exterior
- fertilation dependent on wter droplets to
splash the sperm from the antheridal cups to the archgonial cups
- the sperm swim in the layer of water down the venter (neck)
- toward the egg at the base of the archegonium
- fusion of an egg and sperm produce a diploid zygote
- fusion of an egg and sperm produce a diploid zygote
- toward the egg at the base of the archegonium
- the sperm swim in the layer of water down the venter (neck)
- fertilation dependent on wter droplets to
splash the sperm from the antheridal cups to the archgonial cups
- flagellated and released to exterior
- Meiosis and production of spores
- zygote at base of the archegonium
- develops into seta
- topped by a capsule containing a sporangium
- haploid cells in the sporangium
- spores produced by meiosis
- genetically variable
- genetically variable
- when the spores are ripe the
capsule splits allowing the spores to be shaken out by the wind
- Germinating spore produce protonema
- turns into gametophyte
- turns into gametophyte
- Germinating spore produce protonema
- spores produced by meiosis
- haploid cells in the sporangium
- topped by a capsule containing a sporangium
- develops into seta
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