Greenpeace scientist using undwater camera

The video discusses the growth of algae on rocks and the orientation of these rocks in a marine environment. It highlights the effects of wave action near the coast, which influences the presence of shells and the positioning of marine life such as urchins and anemones. Observations suggest a healthy seabed, although the presence of dirty water from glaciers is noted. The video concludes with an analysis of pristine marine surfaces, emphasizing the expected conditions in such environments.

What is the significance of algae growing on the upside of rocks?

• It suggests a stable and healthy seabed.

• It means the water is polluted.

• It indicates the rocks are frequently overturned.

• It shows a lack of marine life.

Why are there many shells present in the observed area?

• Because of wave action near the coast.

• Because the seabed is unhealthy.

• As a result of human activity.

• Due to the presence of predators.

What could be a reason for fewer anemones in the area?

• Increased predator presence.

• Dirty water from glaciers.

• Lack of food sources.

• Overfishing in the area.

What does the pristine condition of the seabed indicate?

• Frequent human interference.

• High levels of pollution.

• An untouched and healthy ecosystem.

• A lack of biodiversity.

What is the overall assessment of the ecosystem in this location?

• It is heavily polluted.

• It is thriving and as expected.

• It is overpopulated with predators.

• It is lacking in marine life.