From Living Things to Plastic: A Journey Through Rock

Front

What happens to ocean organisms when they die?

Back

They sink to the bottom of the ocean.

Front

What was the most abundant organism floating near the surface of the ocean 400 million years ago?

Back

Algae.

Front

What forms over dead ocean organisms?

Back

Layers of sediment.

Front

True or False: Animals often eat plastic by mistake.

Back

True.

Front

What is one thing that crude oil is used to make?

Back

Gasoline, jet fuel, heating oil, or plastic.

Front

Define sediment in the context of ocean organisms.

Back

Sediment refers to particles that settle at the bottom of a body of water, often formed from dead organisms.

Front

What is the role of algae in the ocean ecosystem?

Back

Algae are primary producers that provide oxygen and food for marine life.

Front

Explain the process of fossilization in relation to ocean organisms.

Back

Fossilization occurs when dead organisms are buried by sediment, which hardens over time into rock.

Front

What is plastic pollution and why is it a concern for marine life?

Back

Plastic pollution refers to the accumulation of plastic products in the ocean, which can be ingested by marine animals, causing harm.

Front

How does crude oil form?

Back

Crude oil forms from the remains of ancient marine organisms that were buried under layers of sediment and subjected to heat and pressure over millions of years.