Which of the following is the oldest period in the Paleozoic Era?

• Cambrian

• Ordovician

• Silurian

• Devonian

Tags

NGSS.MS-ESS1-4

Which of the following is the oldest period in the Mesozoic Era?

• Silurian

• Triassic

• Jurassic

• Cretaceous

Tags

NGSS.MS-ESS1-4

Which of the following statements is false?

• Scientists study rock layers and fossils when developing the geologic time scale

• According to the law of superposition, the youngest rock layers are at the bottom.

• The oldest known rocks on Earth are approximately 4 billion years old.

• Earth is constantly changing.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Which of the following is the one of the earliest forms of life on Earth?

• Dinosaurs

• Mammals

• Flowering plants

• Cyanobacteria

During which period did the first amphibians appear?

• Cambrian

• Devonian

• Silurian

• Ordovician

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

During which period did the first trilobites appear?

• Cambrian

• Cambrian

• Silurian

• Ordovician

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

During which period did the first flowering plants (angiosperms) appear?

• Triassic

• Silurian

• Jurassic

• Cretaceous

Tags

NGSS.MS-ESS1-4

During which period did the first mammals appear?

• Triassic

• Silurian

• Jurassic

• Cretaceous

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following term is defined as an event that causes large number of species died out at the same time?

• Mass Extinction

• Continental Drift

• Natural Selection

• Evolution

Dinosaurs went extinct approximately 66 million years ago at the end of the ________.

• Triassic Period

• Silurian Period

• Jurassic Period

• Cretaceous Period

Tags

NGSS.MS-ESS1-4