Paleozoic Era
What is the first period in the Paleozoic Era
What is the Cambrian Period
If you travelled back in time to the Mesozoic Era, you would see large reptiles roaming the land around you; fittingly, this era is also called ...
What is the age of dinosaurs
The Cenozoic Era is often called the age of which animal group
What is the age of mammals
Fossils are most commonly found in this type of rock
What is sedimentary rock
The paleozoic era ended with a massive extinction event known as the Permian-Triassic extinction and also sometimes called...
what is the great dying
This period saw the first flowering plants
What is the Cretaceous period
This major event caused the extinction of many species during the Cenozoic Era
What is the ice age
These fossils are used to determine the relative age of a rock
What is Index fossils?
This group of invertebrates first moved onto land during the Devonian period
What is amphibians
This supercontinent began to break apart during the Jurassic Period
What is Pangaea
This large ice-age mammal related to the elephant went extinct roughly 4000 years ago
What is the woolly mammoth
This form of fossil provides evidence of the activity and lifestyle of an organism
What is trace fossils
The first large forests and coal deposits formed during this period, and the first reptiles also appeared
What is the Carboniferous Period
The Cenozoic Era formed a lot of modern topography including the opening of this important ocean between Africa and the Americas
What is the Atlantic Ocean
The continents took their modern positions during this period of the Cenozoic era
What is the Neogene Period
This group of early marine organisms, often found fossilized in sedimentary rock, are known for their unique spiral shells
What is ammonites
The first land-dwelling animals appeared during this period of the Paleozoic Era
What is the Silurian Period
The Mesozoic era ended with this catastrophic event that led to the extinction of the dinosaurs
What is the Cretaceous-Paleogene extinction
The first known ancestors of modern humans appeared during this period which spans the last 2.6 million years
What is the Quaternary Period
These extinct microfossils, which resemble eel-like teeth, are used by geologists to date marine rock layers from the Paleozoic and Mesozoic eras
What is conodonts