History of the Earth, Rocks, and Minerals

Front

The preserved remains or trace of an organism that was once living

Back

Fossil

Front

The sedimentary layers of rock in Earth

Back

Rock Strata

Front

Because of the extinction of dinosaurs this kingdom thrived.

Back

mammals

Front

The idea that the oldest sedimentary rock layers are found at the bottom of a geologic structure is called...

Back

Law of Superposition

Front

How old do Paleontologists believe the Earth is?

Back

4.6 billion years old

Front

Relative dating of rock layers tells us that the deeper we dig, _______.

Back

the older the rocks get

Front

The time scale of Earth History is called the:

Back

Geologic Time Scale

Front

During which era did life on land first evolve? Options: Paleozoic, Pre-Cambrian, Mesozoic, Cenozoic

Back

Paleozoic

Front

The disappearance of a species.

Back

Extinction

Front

Paleozoic, Mesozoic & Cenozoic are all

Back

Eras