Question

why vascular plants dominant over earth . give reasion​

Answer 1

why vascular plants dominant over earth. Give reason !

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Vascular plants dominate land. They have clothed this planet green. The reasons for success and dominance are as follows: (1) Presence of deep, penetrating and wide-spreading roots which not only anchor the plants but also absorb water and mineral salts from deeper layers of the soil.

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Over the years, plants evolved and the evolution of the plant body showcases the development of roots, waterproofing materials like cutin on the surface and a well developed conducting tissues (xylem and phloem). These well-differentiated structures helped the vascular plants gain dominance on earth.

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Answer 2

The reasons for dominance of vascular plants on land are:

(a) Presence of deep, penetrating and wide spreading roots which anchor the plant and also absorb water and mineral salts.

(b) Covering of aerial parts with water proofing material like cudn in living tissues.

© Occurence of mechanical tissues to provide support to aerial parts and to allow them to rise to great heights.

(d) Presence of long distance transport system in the form of vascular tissues.

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