Plants knowledge
Bryophyta
Short after the emerged lands were conquered, plants were classed into: bryophyta, that include hepatics, anthocerote and mosses and vascular plants, i.e. all higher plants. The structure of bryophyta is very simple and it is made up of individuals that are generally shorter than 20 cm. Bryophyta do not have roots, but they have rhizoids, i.e. long cells or cell filaments, that stick to the substrate. Many bryophyta have a leaf-like structure, made up of few cell layers through which they carry out the photosynthesis. As they have no roots to absorbe the water, they have to take the water from aerial structures, therefore they grow maily in wet and dark areas, or in marshes.
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