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People breed diverse plant varieties! All of the corn ears in this display are the same species (Zea mays), developed in different parts the world. Although corn originated in Mexico, farmers around the world adopted it and bred their own unique varieties. Farmers and breeders have developed hundreds of corn varieties. Some resist pests or have kernels that are brightly colored, are sweet, or pop when heated. The genetic diversity in these varieties is essential for breeding new crops that can t