Question

short note on bryophyta​

Answer 1

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Bryophytes are mostly terrestrial plants. They are found in moist shady places. But they need water for fertilization and completion of their life cycle. Hence they are called 'amphibious plants. They include approximately 960 genera and about 25,000 species.

Life cycle of Bryophytes shows sporophytic and gametophytic stages. Vegetative plant body is thalloid or leafy which represents gametophytic generation. Spore producing capsule represents sporophytic generation

Bryophytes have root-like structures called rhizoids. Rhizoids are unicellular in liverworts while multicellular in mosses. Rhizoids absorb water and minerals and also help in fixation of thallus on the substratum. Bryophytes are divided into two groups : liverworts and mosses.

Answer 2

Bryophyta is the formal term for this division of plants who do not have tissues to move water. In some modern classifications the word bryophyta only includes mosses. However, the term is still useful because mosses, liverworts, and hornworts share important traits.