Liverworts belong to Bryophytes. They are non-vascular plants which do not have water conductive tissue made up of Xylem and Phloem. They have simple system for conducting water and food.
A liverwort is unable to complete its life cycle in dry environment because:
(i) The fertilisation of male and female gametes takes place in water.
(ii) Male gametes, antherozoids, swim in water to reach the eggs for sexual reproduction to take place.
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