Earth's History Flocab

A fossilized piece of evidence of an organism's activity (footprint)

• trace fossil

• mold fossil

• cast fossil

• carbonized fossil

fossil that forms when organic material is pressed between layers of rock

• preserved fossil

• carbonized fossil

• cast fossil

• mold fossil

First era of time, began with the creation of the Earth around 4.6 billion years ago.

• Paleozoic Era

• Cenozoic Era

• Precambrian Era

• Mesozoic Era

Tags

NGSS.MS-ESS1-4

Began with the early invertebrates, such as trilobites and brachiopods.

• Precambrian

• Mesozoic Era

• Cenozoic Era

• Paleozoic Era

Tags

NGSS.MS-ESS1-4

The mass extinction that ended the era caused the dinosaurs to become extinct.

• Mesozoic Era

• Cenozoic Era

• Paleozoic Era

• Precambrian

Tags

NGSS.MS-LS4-1

True of False: Sometimes older rocks end up on top of younger rocks.

• True

• False

Tags

NGSS.MS-ESS1-4

Using a substance's rate of decay to determine its age is an example of

• relative dating

• using index fossils

• chemical engineering

• absolute dating

Tags

NGSS.HS-PS1-8

What happened during the Cambrian explosion

• Dinosaurs went extinct

• Many animals first appeared

• Single-celled life first appeared

• Humans first appeared

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which of the following rock layers contains the youngest fossils?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4

Stratigraphy is the study of

• evolution

• human history

• rock layers

• Earth's atmosphere

Tags

NGSS.MS-ESS1-4