Modern day corn comes from a wild grass called teosinte, which is native to Mexico. Through selective breeding over thousands of years, humans cultivated teosinte into the corn we know today. This transformation showcases the significant impact of agricultural practices on plant evolution. ;
Modern day corn comes from teosinte, a wild grass native to Mexico. Through selective breeding over thousands of years, humans transformed teosinte into the corn we recognize today. Therefore, the correct answer is A. Teosinte.
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