Earth History Crossword

relating or denoting to the most recent era
Era comprising of the Triassic, Jurassic, and Cretaceous periods
Largest extinction in Earth's history
Prehistoric period during which stone was widely used
Period in Earth's history
A major division of geologic time
The process of change that produces new life forms over time
All the geologic time before the start of the Cambrian Period in the Paleozoic Era.
period characterized by the greatest development, rise of modern insects and flowering plants
many sea reptiles;early large dinosaurs; later,flying reptiles, and earliest known birds
Diverse marine life, including vertebrates; vascular plants
Numerous fishes, other sea life; many plants, first trees; wingless insects
Formation of oceans, atmosphere, and continents; bacteria
Oldest era; organisms developed hard parts
oldest and longest geologic time period
subdivisions of eras
an extinct terrestrial reptile of the Mesozoic era
a cold-blooded vertebrate including snakes and lizards
science of the history of the earth as recorded in rocks
record of earths history