Evolutionary History

What are the 3 criteria for an index fossil?

• abundant

• limited time span

• lived a long time

• widely distributed

• Only found in particular locations

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS1-4

Why are fossils important for understanding Earth's history?

• They provide evidence of modern day organisms.

• They provide evidence of how different species live today.

• They provide evidence of how different species lived millions of years ago.

• They provide evidence of how geological processes have shaped the Earth.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

NGSS.MS-ESS1-4

This mosquito is fossilized in

• amber

• ice

• sediment

• rock

Tags

NGSS.MS-LS4-1

A fossilized footprint is a

• body fossil

• trace fossil

• imprint fossil

• cast fossil

Describe the process of fossilization. Choose all that apply.

• The organism dies and is covered with sediment.

• The organism decays due to weather.

• Minerals replace the bones.

• The bones do not decay and are dug up millions of years later.

Tags

NGSS.MS-LS4-1

What type of structures are these?

• Homologous

• Analogous

• Vestigial

Tags

NGSS.MS-LS4-2

The hind leg bones shown in the whale in the figure are examples of_________________.

• homologous

• analogous

• vestigial

Tags

NGSS.MS-LS4-2

What does the diagram show?

• All three species share a common ancestor, but the African elephant and Sumatran tiger are more closely related to each other than they are to the Norway rat.

• All three species share a common ancestor, but the Sumatran tiger and Norway rat are more closely related to each other than they are to the African elephant.

• The Sumatran tiger, African elephant, and Norway rat are not related and come from separate lines of evolutionary history.

• All three species share a common ancestor and are equally related to each other.

Tags

NGSS.MS-LS4-2

What is a fossil?

• Rock remains or impression of a modern day organism.

• Rock remains or impression of a prehistoric organism.

• The actual bones of a prehistoric organism.

Tags

NGSS.MS-LS4-1

The whale fin and the human hand share similar bone structure. This is an example of

• Convergent Evolution

• Divergent Evolution

Tags

NGSS.MS-LS4-2