Final answer:
There were several different types of mounds built by the Mound Builders, including platform mounds, burial mounds, effigy mounds, and embankment mounds.
Step-by-step explanation:
The Mound Builders were a prehistoric civilization in North America that built various types of mounds. There were actually several different types of mounds built by the Mound Builders.
One type of mound was the platform mound, which were large earthen platforms used for ceremonial and religious purposes. Another type was the burial mound, which were constructed as tombs for important individuals.
Additionally, there were effigy mounds, which were shaped like animals or symbols, and embankment mounds, which were long raised ridges of earth used for defensive purposes.
Learn more about types of mounds built by the Mound Builders