Which statements best describe the mounds of the Mesolithic era? Check all that apply.

1. The mounds were made for special ceremonies.
2. Louisiana’s oldest mounds date back to 7500 BCE.
3. Several mounds remain in Poverty Point, Louisiana.
4. The prairies include open areas covered with tall grass.
5. All of the mounds in Louisiana were destroyed long ago.
6. Mounds have a semi-circular shape and were made by humans.