Assertion: It is believed particularly for some bryophytes and pteridophytes that their distribution is limited.
Reason: They need water for transport of male gametes and fertilisation.
Text Solution
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It is believed, particularly for some bryophytes and pteridophytes, that their distribution is limited, because water and presence of ample moisture on the top of the leaf surface is a must for the transport of male gametes and consequent fertilisation. Angiosperms, the flowering plants, utilize flowers to attract pollinators, and some enclose their seeds in fruits to aid in their dispersal.
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