Marine Litter and Its Impact

The video introduces marine litter, a significant threat to marine wildlife, particularly whales and dolphins. It explains the sources of marine litter, primarily from land, and its global distribution. The video highlights the impact of plastic, a major component of marine litter, on the environment and wildlife. It concludes with a call to action for reducing marine litter.

What is the primary focus of the Orca lesson introduced by Anna?

• Marine conservation techniques

• The history of Orca

• Marine litter and its impact

• The beauty of marine wildlife

Which of the following is NOT a threat to whales and dolphins mentioned in the lesson?

• Climate change

• Overfishing

• Bycatch

• Habitat loss

How much marine litter is dumped into the oceans each year?

• 10 million tons

• 5 million tons

• 15 million tons

• 20 million tons

What percentage of marine litter comes from land sources?

• 50%

• 100%

• 20%

• 80%

Which of the following is a land-based source of marine litter?

• Ship waste

• Oil spills

• Balloon releases

• Fishing nets

What is the most common material found in marine litter?

• Metal

• Wood

• Glass

• Plastic

What are microplastics?

• Large pieces of plastic

• Natural materials

• Tiny plastic particles less than 5mm

• Biodegradable plastics

Which region contributes the most to the world's marine litter?

• South America

• Europe

• Asia

• Africa

What happens to plastic in the environment over time?

• It evaporates

• It breaks down into smaller pieces

• It biodegrades completely

• It turns into a natural material

What is the main reason for the presence of marine litter?

• Natural disasters

• Human activity

• Animal behavior

• Ocean currents