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Biology · PLANT KINGDOM

हिन्दी

Pteridophytes are considered an evolutionary milestone in terrestrial plant adaptation primarily because they are the first land plants to possess:

  1. Flowers and enclosed seed vessels.
  2. Dominant free-living gametophytic plant body.
  3. Vascular tissues comprising xylem and phloem.
  4. Coralloid roots for nitrogen fixation.

Correct answer · Option 3

Vascular tissues comprising xylem and phloem.

Explanation

Evolutionarily, pteridophytes are the first terrestrial plants to possess well-differentiated vascular tissues, xylem and phloem.
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