Even though people inhabited the area throughout the wet and dry seasons, there is no conclusive evidence to prove permanent sedentism.
[3] On an excavation of the Zohapilco site, grains of teosinte, a wild ancestor of maize was found, indicating the possibility of an incipient agriculture system.
[3] Even though the domestication of maize had already begun in other areas of Central Mexico, the temperature and elevation of the site might have limited the practicality and feasibility of agriculture.
[3] Early residents exploited the lakeshore for its resources of many wild animals and plants, as well as hunting deer, rabbit, waterfowl, and other inland species available in the surrounding ecological zones.
It had grasslands with thorny woodland, scrub at upper elevations, swamplands around the lake, and was surrounded by mountains and hills.