Question

distinguish between bryophytes and pteridophytes any two difference

Answer 1

BASIS FOR COMPARISON BRYOPHYTESPTERIDOPHYTESBody definitionBryophytes has leafy or thalloid plant body.In pteridophytes plant body in differentiated into roots, stems, and leaves.Vasculature systemNo vasculature system, which means xylem and phloem absent.Proper vasculature is present which means xylem and phloem is present.Vascular tissueAbsentPresentPresence of rootsNo roots, instead rhizoids are present helps in anchoringRoots are present.Presence of stems or leavesNo true stems or leaves are present.True stem and leaves are present.Archegonium and it's formationCommon exposure of archegonium, whose neck is formed of six rows of cells.Partially embedded archegoninum and it's neck has only four rows of cells.AntheridiumStalked.Sessile.Dominating partGametophyte is dominating.Sporophyte is dominating.Cell typeIt has haploid cells.It has diploid cells.ExamplesMosses, liverworts, hornworts.Spikemosses, clubmosses, ferns, quillworts.Sporophytic phaseDepends completely on gametophytic.Saprophytic phase is an independent autotrophic
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