Final answer:
The Geographic theory explains the Centers of Origin for Cultivated Plants by suggesting that the geographic location where a plant species originated is where its closest wild relatives can still be found.
Step-by-step explanation:
The theory that explains the Centers of Origin for Cultivated Plants is Geographic theory. This theory suggests that the geographic location where a plant species originated is where its closest wild relatives can still be found. For example, corn originated in Mexico and its wild relatives can still be found in that region. This theory helps us understand why certain crops are more abundant and diverse in certain regions of the world.