| http://www.w3.org/ns/prov#value | - This is what ecologists call the first trophic level.[69] The modern forms of the major staple foods, such as bananas, plantains,[70] maize and other cereal grasses, and pulses, as well as flax and cotton grown for their fibres, are the outcome of prehistoric selection over thousands of years from among wild ancestral pants with the most desirable characteristics.[71] Botanists study how plants pr
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