As the human have lived in the Earth, a lot of high technologies have been progressed by human. Those technologies have changed our lives a lot. They have made our lives more conveniently and abundantly. They also made the earth a better place to live in only for ‘HUMAN’. For example, as the food productivity advanced, lots of people can save their lives from starvation. But, for developing the food productivity, we only choose some species of crops to plant, and that made a lot of other speicies of crop distincted.