Plants play important role for human beings since the ancient times. Plants have their own whole different world which includes entire kingdom of life. Plants are the most essential part of organism in the world. Nobody can imagine any life without plants involved in their life. When humans started building colonies and getting civilized their dependency on plants increased by several folds. Today plants are even more important due to the increased demand of their different uses. During their development civilizations based on their use and growing cycle plants have been called crops.
