Department of modern gymnosperms has more than 700 species. Despite the relatively small number of species, gymnosperms conquered almost the entire globe. In the temperate latitudes of the Northern Hemisphere, they constitute the vast expanses of pine forest, called taiga. Modern gymnosperms are mainly trees, much less - and very rarely shrubs, vines, herbaceous plants among them. Leaves gymnosperms significantly different from the other groups of plants, not only in size and shape, but the morphology and anatomy. In most species they are acicular (needle) or scale-like, with some representatives are large (for example, the Welwitschia amazing their length is 2.3 m), pinnate, lobed leaves and others are alone, two or more in bunches. If you get more information, visit our site: BEST ESSAY CHEAP
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