Answer:Peripatus which lived around 570 MYA, is in the top layer of rock. The trilobites that lived there later, between 498 MYA and 445 MYA, appear in the bottom layer. Based on superposition, younger layers of rock are expected to be on top. The rock layers have been overturned, placing the younger layer on the bottom.
Explanation: This is the real PLATO answer.
