Extinction & Fossil Formations

Front

What is extinction?

Back

Extinction is the end of an organism or a group of organisms, meaning that no individuals of that species are left alive.

Tags

NGSS.MS-LS4-1

Front

What are fossils?

Back

Fossils are the preserved remains or traces of ancient organisms, often found in sedimentary rock.

Front

Where are the oldest fossils typically found in sedimentary layers?

Back

Oldest fossils are usually found at the bottom layer of sedimentary rock.

Tags

NGSS.MS-ESS1-4

Front

What is the youngest layer in a set of sedimentary rock layers?

Back

The youngest layer is typically found at the top.

Tags

NGSS.MS-ESS1-4

Front

What is one major threat to wildlife, such as tigers?

Back

Human impact, including habitat destruction and poaching, is a major threat to wildlife.

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

Front

What is the first step in the fossilization process?

Back

The first step is when an organism dies and its soft parts begin to decay.

Front

What happens after an organism dies in the fossilization process?

Back

After death, the organism is often covered by layers of dirt and sediment.

Tags

NGSS.MS-LS4-1

Front

What role do minerals play in fossilization?

Back

Minerals can replace the organic material in bones, preserving the structure of the skeleton.

Front

What is the final step of fossilization?

Back

The final step is when wind and water erosion expose the fossil to the surface.

Front

What is sedimentary rock?

Back

Sedimentary rock is a type of rock formed by the accumulation of sediments, often containing fossils.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1