The History of Life on Earth Review

What is a fossil?

• the preserved remains or traces of a once-living organism

• when all members of a species die and the species no longer exists

• the process of determining whether one rock, fossil, or event is older or younger than another

• the process of determining the approximate age of a rock, fossil, or event

What is a mass extinction?

• the preserved remains or traces of a once-living organism

• when all members of a species die and the species no longer exists

• the process of determining whether one rock, fossil, or event is older or younger than another

• the process of determining the approximate age of a rock, fossil, or event

Tags

NGSS.MS-LS4-1

What is relative dating?

• the preserved remains or traces of a once-living organism

• when all members of a species die and the species no longer exists

• the process of determining whether one rock, fossil, or event is older or younger than another

• the process of determining the approximate age of a rock, fossil, or event

What is absolute dating?

• the preserved remains or traces of a once-living organism

• when all members of a species die and the species no longer exists

• the process of determining whether one rock, fossil, or event is older or younger than another

• the process of determining the approximate age of a rock, fossil, or event

You are hiking and looking at rock strata. Which layer is the youngest rock layer?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS1-4

You are hiking and looking at rock strata. Which layer is the oldest rock layer?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS1-4

Which statement is true?

• The fossil in rock layer 1 is the same age as the fossil in rock layer C

• The youngest fossil in this image is the fossil in rock layer 1

• The fossil in rock layer 1 and rock layer A are the same age

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS1-4

Which statement is true about this image?

• If a rock is 100% Uranium, it is an older rock.

• If a rock is 100% Uranium, it is a newer rock.

Tags

NGSS.MS-ESS1-4

You are walking in a desert and find a shark tooth fossil, what can be said about the past environment of this area?

• It has always been a desert environment.

• It used to be a mountain range.

• It used to be an ocean.

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

How many mass extinctions are shown in this graph?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS4-1