pointwise in detail write about pteridophyta
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Pteridophytes (ferns and lycophytes) are free-sporing vascular plants that have a life cycle with alternating, free-living gametophyte and sporophyte phases that are independent at maturity. The body of the sporophyte is well differentiated into roots, stem and leaves. The root system is always adventitious.
Pteridophyta Characteristics
Pteridophytes are considered as the first plants to be evolved on land: ...
They are cryptogams, seedless and vascular: ...
They are cryptogams, seedless and vascular: ...
Spores develop in sporangia: ...
Sporangia are produced in groups on sporophylls: ...
Sex organs are multicellular: ...
They show true alternation of generations:
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