uganda dating kenya site Different dating methods archaeology

The greater reliance on farming made it possible for the Basket Makers to begin a sedentary mode of life in villages.Toward the end of the period the spear was replaced by the bow and arrow.

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In some of the cists the unintentionally mummified bodies of Basket Makers have been found, with hair and dehydrated flesh adhering to the bones. 400-700) the Basket Makers expanded their territory and introduced several new and important cultural items, including pit houses, erected over shallow excavations, and pottery.With the addition of beans and new varieties of maize, agriculture became more important to Basket Maker subsistence.The remains of domestic dogs have been found in many archaeological sites in Arizona.No evidence suggest that these dogs were killed or used for food.These animals, which were already tame around humans, could be taken and used as hunting companions, or livestock guardians and different dog types likely evolved from these proto-dogs, not wolves.

Artificial selection by humans also further shaped the evolution of the dog, as dogs with traits desired by humans would have been better cared for than others, and would have been more likely to survive and breed. 1150 - 1350 Large pueblos, cliff dwellings and towers are the rule. Red, orange and yellow pottery on the rise as black-on-white declines. D 1600 - present During the first part of this era the Spanish military, church and civil domination and rule of the pueblos drives the Pueblo religion underground. Pottery consists of corrugated gray and decorated black-on-white in addition to some decorated red and orange vessels.Wild dogs that were less cautious around people than others may have began to live near humans, and natural selection would gradually produce "proto-dogs" from these animals that did not fear humans and could live in close proximity to them.Indeed, today in several parts of the world dogs do live like this.A new "niche" was opened for animals about 10,000 years ago as some groups of humans began to settle into permanent settlements instead of living as nomads.