|1. Early human societies were based on a foraging lifestyle in which wild plants were gathered and animals hunted.
2. Agriculture evolved independently in several areas of the world, most likely as a natural consequence of intensified foraging.
3. The earliest evidence of agriculture dates back at least 10,000 years in the Near East, Far East, and Mesoamerica.
4. Domesticated plants are genetically different from their wild counterparts, and many can no longer survive without human intervention.