Question

Key points on Pteriophyta

Answer 1

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1) Petridophyta first land plants having vascular tissues.

2) Green and autotrophic plants.

3)Plant body is differentiated into roots stems. and leaves.

Examples --> Ferns, Club moss, Water fern etc.

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Answer 2

the important key points are;                                                                                                          1.the division pteridophyta includes primitive living and fossil vascular plants.         2.they were originated in the silurian period of flourished in the devonian period.                                                                                                                              3.they are known as 'vascular cryptogams' - cryptogams with vascular system.   4.they show hetermorphic alternation of generation with prominent sporophytic and gametophytic phases.                                                                              5.the main body of pteridophyte is the sporophytic plant.