Paleozoic
This large landmass formed during the late Paleozoic
What is Pangaea?
The famous reptiles which were abundant in the Mesozoic
What are dinosaurs?
The Precambrian super eon started __ BYA
What is 4.6?
Evidence of earlier life preserved in rock
What is a fossil?
The cause of the Permian extinction AKA “The great dying”
What is Global Warming?
The cause of the dinosaurs extinction
What is the Chicxulub asteroid?
The name of the eon in the Precambrian when life started to form
What is the Archean Eon?
The type of fossil left behind by footprints/leaves/bite marks
What are Trace Fossils?
This period notably had a rapid spread of jawless fish
What is the Silurian period?
The modern relative of the T-Rex
What is the chicken?
The atmosphere during the early Precambrian was mostly composed of gases like methane, ammonia, and carbon dioxide, with very little of this gas
What is oxygen?
The remains replaced molecule by molecule by rock-forming minerals
What are Replaced Remains?
This group of marine animals, characterized by a hard outer shell, became abundant during the Cambrian period
What are trilobites?
The type of reptile that is the smallest land dinosaur
What is the Microraptor?
This percentage of Earth's geological history consists of the Precambrian supereon
What is 90%?
The remains of plants and animals affected by temperature and pressure
What are Carbonaceous films?
This early group of arthropods lived during the Cambrian period and are considered an ancestor of modern crustaceans
What are bivalves?
What was the biggest mammal in the mesozoic era?
What is the Giant Repenomamus?
This type of life form which existed around 3.5 billion years ago is believed to have been one of the first organisms to use light for energy
What are stromatolites?
The most important and common fossil 200 MYA. They resemble teeth
What are Conodonts?