Unit 10 Lesson 2 BC

Can be used to help identify the relative age of a rock layer

• Fossil record

• Geological time scale

• Mesozoic Era

• Pangaea

• Index fossil

Unit of time that contains the Age of Dinosaurs

• Fossil record

• Geological time scale

• Mesozoic Era

• Pangaea

• Index fossil

A geologic chart that divides Earth’s history into units

• Fossil record

• Geological time scale

• Mesozoic Era

• Pangaea

• Index fossil

Occurs when many species die out at the same time

• Fossil record

• Geological time scale

• Trilobite

• Pangaea

• Mass Extinction

Common fossil animal from the Paleozoic

• Fossil record

• Geological time scale

• Trilobite

• Pangaea

• Mass Extinction

Used to describe if a fossil is older or younger than another fossil

• Relative Age

• Pangaea

• Trilobite

• Fossil Records

• Mass Extinction

All of the fossils in Earth’s rock layers

• Relative Age

• Pangaea

• Trilobite

• Fossil Records

• Mass Extinction

Giant continent that existed in Earth’s past

• Relative Age

• Pangaea

• Trilobite

• Fossil Records

• Mass Extinction