Plants around us diverse. Plant diversity can be sub-divided or classified. Classification levels in plants in general there are 6 groups, from small to large, respectively referred to as a species, genera, families, orders, classes, and divisio. The biggest group in the world is called divisio plants. Plants can be divided into two divisio, namely seed plants and plant no seeds. Plants do not have seeds, there are four groups, namely vegetable sides or schizophyta, thallus or Thallophyta, or bryophyte mosses, ferns or pteridophyta.
Plant seeds can be divided into two:
1) Plant seed in the open: melinjo, cycads
2) Plant seed in a closed can be divided into two: dicots and monocots.
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