BotanyDistribution of pteridophytes is limited to narrow geographical regions on this planet because-

Distribution of pteridophytes is limited to narrow geographical regions on this planet because-

  1. A

    The gametophytes survive in cool damp shady places and water is needed for fertilisation

  2. B

    The sporophytes can not survive in light exposed regions

  3. C

    Sporophytes require water for spore dispersal

  4. D

    Sporophytes have reduced size compared to gametophytes

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    Solution:

    Since the gametophytes of pteridophytes do not have vascular tissues and they have only unicellular rhizoids they can not survive in non-moist light exposed areas. They also requires water for fertilization. 

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