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Answer 1

Answer:

Fern any of secveral non flowering vascular plants that possesses true roots, stems , complex leaves and that reproduce by spores. They belong to the lower vascular plant division Pteridophyta having leacves usually with branching vein systems; the young leaves usually unroll from a tight fiddlehead or crozier. The number of fern species is about 9000 but estimates have ranged to as high as 15000 , the number varying because certain groups are as yet poorly stufdied and because new species are still being found in unexplored tropical areas . The ferns constitute an ancient division of vascular plants, some of them as old as the Carvboniferous period(beginning about 350 million years ago) and perhaps older . Their type of life cycle , dependent upon spores for dispersal, long preceded the sreed- plant life cycle. Another informal name for the group , monmonilophytes has gained currency in modern botanical literature.

Answer 2

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Ornamental flowers ferns –

● Ornamental flowers ferns belong to division pteridophytes.

● Being a pteridophyta it have differentiated stem, root, leaves and well developed vascular system.

● Leaves of Fern are large called microsporophyll.

● Ferns have wide variety of habitats mountains, dry deserts, water or open fields.

● Ferns are used in food, horticulture etc

● Fern includes pteris, adiantum, equistem, selaginella.