Which two architectural orders are visible at the parthenon?

The two architectural orders that are visible at the Parthenon are Doric and Ionic.
The Parthenon used to be a temple dedicated to goddess Athena, but is not just a monument located in Athens, Greece. The columns can be either Doric, Ionic, or Corinthian, but the Corinthian one is not found in this temple. 

During the paleolithic, hominins grouped together in small societies such as bands, and subsisted by gathering  plants  and fishing, hunting or scavenging wild  animals. the paleolithic is characterized by the use of knapped stone tools, although at the time humans also used  wood  and bone tools.