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Gametophyte: It is a multi cellular construction or generation inward life bike of a found which is capable of forming gametes straight from its cells. The cells of gametophyte are ever haploid or get got unmarried genomes or ane gear upwards of chromosomes. Sporophyte: It is a multicellular construction or generation inward the life bike of a found which own diploid cells or cells which ii genomes or  two sets of chromosomes . It produces haploid spores or meiospores through the procedure of meiosis inward its diploid cells. In Algae, the dominant stage is gametophyte (1n). Sporophytic as well as gametophytic stages are independent. In Bryophytes, the dominant stage is gratuitous living thalloid gametophyte (1n). The gametophyte is thalloid inward primitive forms ( Riccia ) as well as differentiated into stem, leaves as well as rhizoids inward higher bryophytes (Mosses). In Pteridophytes, the dominant stage is sporophyte (2n). The gametophyte is called...

Pteridophytes a re nearly advanced cryptogams. Vascular tissues are introduce inward the found body. Therefore pteridophytes are likewise called vascular cryptogams. The found torso is differentiated into roots, stalk together with leaves. The ferns are a large grouping included nether pteridophytes. Pteridophyta is split into 4 classes. They are the next Psilopsida- eg: Psilotum Lycopsida- eg: Lycopodium, Selag inella etc Sphenosida- eg: Equisetum Pteridopsida-eg: Nephrolepis, Pteris , Dryopteris etc. Gymnosperms are naked-seeded plants. The seeds are non enclosed inward fruits. They hit non create flowers together with they are regarded every bit primitive seed plants. They include generally evergreen trees similar conifers together with cycads.   Gymnosperms are divided into iii unlike classes. Cycadopsida-eg: Cycas Coniferopsida- eg: Pinus, Cedrus etc. Gnetopsida-eg: Gnetum Pteridophytes vs Gymnosperms Pteridophyte Gymn...