What cultural characteristics of ancient China are reflected in the excavation of painted pottery, black pottery and bones?

1 bone is the main production tool of Hemudu people engaged in rice planting. Hemudu clan site is located in a narrow valley plain on the south bank of Hangzhou Bay, Zhejiang Province, and was discovered in 1973 during the construction of farmland water conservancy. More than 2,920 pieces of bone products, including chisels, chisels, needles and daggers, were unearthed in this site.

Painted pottery is a symbol of Yangshao culture.

Pottery is a symbol of Longshan culture.

4 The above are the cultural characteristics of the Neolithic Age, and we can judge three characteristics of the new era:

First, we began to manufacture and use grinded stone tools; Second, the invention of pottery; Third, primitive agriculture, animal husbandry and handicrafts appeared.