The use of wheat,corn,rice and other crops modified from wild ancestors is an example of _______ value drawn from biodiversity.

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Ancient man began as nomadic hunter gathers, meaning that they hunted for the available animals and gathered the available plant mater but did not grow these resources. After humans settled they began to cultivate plants for their use and also began to breed them for a better production of the usable part of the plant. Wheat, corn and rice are among some of the earliest cultivated plants. They little resemble their wild ancestors that had a much lower yield of gain per plant than the modern versions.

The Use of Wheat,corn,rice and Other Crops Modified from Wild