Impact of Whaling on Ocean Ecosystems

What was a major use of whale oil in the 19th century?

• Cooking

• Lighting homes and guiding ships

• Building materials

• Medicine

What is unique about the Whale Warehouse?

• It is a public aquarium

• It is located in New England

• It contains every species of whale on the planet

• It is the largest museum in the world

Why did humans initially hunt whales?

• For their oil

• For their meat

• For their bones

• For their skin

What was the impact of 20th-century whaling on blue whale populations?

• Their numbers increased

• They became more aggressive

• They migrated to new areas

• 99% of them were gone by 1972

What is the krill paradox?

• Krill numbers increased after whale removal

• Krill numbers decreased despite whale removal

• Krill started migrating to different oceans

• Krill became the main food source for humans

How do whales contribute to ocean ecosystems?

• By fertilizing the ocean with their waste

• By scaring away predators

• By blocking sunlight from reaching the ocean floor

• By eating all the krill

What role do whales play in the ocean's nutrient cycle?

• They are neutral in the nutrient cycle

• They deplete nutrients

• They help mobilize nutrients

• They block nutrient flow

What is the significance of whales being called 'ecosystem engineers'?

• They build underwater structures

• They design ocean currents

• They modify the environment to support other species

• They create new species

What opportunity does the 21st century offer regarding whales?

• To replace them with artificial whales

• To make a greater positive impact on their survival

• To hunt them more efficiently

• To ignore their existence

What is the current status of whales according to the video?

• They have a second chance for survival

• They are extinct

• They are no longer important to ecosystems

• They are thriving without human intervention