Final answer:
Plastered skulls were found at various Neolithic sites in Israel, including Jericho, Yiftah'el, and 'Ain Ghazal. These skulls have raised questions about their purpose and significance, but the exact meaning and function remain unknown due to the lack of written records.
Step-by-step explanation:
The Neolithic period in Israel, specifically in places like Jericho, Yiftah'el, and 'Ain Ghazal, has yielded important archaeological finds. Among these finds are plastered skulls, which have been discovered at various Neolithic sites. These plastered skulls raise questions about their purpose and significance. They may have been used in ancestor worship or as a way to remember deceased family members. However, due to the absence of written records, the exact meaning and function of these plastered skulls in the Neolithic period remain unknown.