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4. Describe the gametophyte(s) and sporophyte of each of the following plants: moss (e.g. Polytrichum), liverwort...

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Biology

4. Describe the gametophyte(s) and sporophyte of each of thefollowing plants: moss (e.g. Polytrichum), liverwort (e.g.Marchantia), fern (e.g. Ceratopteris), gymnosperm (e.g. pine), andangiosperm (e.g. lily).

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Polytrichum Polytrichum is dioecious Antheridia and archegonia is present on different plants Gametophyte The main plant body is gametophyte Gametophyte is haploid It develops antheridia and archegonia Antheridia produce antherozoids and archegonia produces egg Antherozoids fuse with egg to produce oosphore Sporophyte Oosphore is the first stage of sporophyte generation It is diploid Sporophyte has 3 parts they are foot seta and capsule Haploid Spores are produced in the capsule by meiosis Spore is the first stage of gametophyte Spores germinate to a gametophyte protonema stage Marchantia The plant body is a    See Answer
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