Ch 15 - The Rock and Fossil Record & Geologic Time

Which is the correct order of geologic time?

• Era>Eon>Period>Epoch

• Epoch>Period>Era>Eon

• Eon>Era>Period>Epoch

• Era>Eon>Epoch>Period

Tags

NGSS.MS-ESS1-4

How old do geologists believe the Earth is?

• 50,000 years old

• 4.6 billion years old

• 3.6 billion years old

• 4.6 million years old

Tags

NGSS.MS-ESS1-4

What is the main purpose of the geologic time scale?

• To organize the major events in Earth's history

• To compare very short and very long periods of time

• To compete with other, non-geologic time scales

• To help people understand that the planet is really old

Tags

NGSS.MS-ESS1-4

Which of the following lasted the longest?

• The Mesozoic Era

• The Paleozoic Era

• Precambrian Time

• The Cenozoic Era

Tags

NGSS.MS-ESS1-4

Which sequence correctly shows the order of evolution of Earth's organisms?

• bacteria>reptiles>amphibians>fish>mammals

• bacteria>fish>reptiles>amphibians>mammals

• bacteria>fish>amphibians>reptiles>mammals

• fish>amphibians>microorganisms>reptiles>mammals

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The earliest known form of life on Earth.

• dinosaurs

• single-celled organisms

• multi-celled organisms

• fish

Tags

NGSS.MS-LS1-1

Why did mammals thrive in the Cenozoic era?

• regulating body temperature internally

• bearing young that develop inside mother

• no longer competing with dinosaurs

• all of the above

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Era know as the age of mammals.

• Precambrian

• Cenozoic

• Mesozoic

• Paleozoic

Land plants appeared during the ____________ Era?

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

During which era did reptiles and amphibians evolve for the first time?

• Precambrian

• Paleozoic

• Mesozioc

• Cenozoic

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2