Sea Otters and Their Ecosystem

The video explores the coastal waters as a habitat for marine mammals, focusing on sea lions and sea otters. It highlights the ecological role of sea otters in maintaining kelp forests by preying on clams, abalone, and sea urchins. The video also discusses the historical decline of sea otters due to hunting and their subsequent reintroduction and recovery efforts, emphasizing their current endangered status and the importance of conservation.

What is one of the primary roles of sea lions in the coastal waters?

• To clean the ocean floor

• To protect the kelp beds

• To guide other marine mammals

• To hunt beneath the sea

Why are sea otters considered important for the kelp forest ecosystem?

• They help in the growth of kelp

• They clean the ocean floor

• They prevent overgrazing by preying on certain species

• They provide shelter for fish

What is a rare sight involving sea otters?

• A group of otters hunting together

• Otters building nests in kelp

• Otters playing with sea lions

• A mother and pup with a male escort

What was a significant threat to sea otters in the early 1900s?

• Climate change

• Hunting for their fur

• Pollution

• Predation by larger marine animals

When were sea otters reintroduced to the Olympic coast?

• 1959

• 1969

• 1979

• 1989

What is the current status of sea otters on the Olympic coast?

• They are still endangered but recovering

• They are thriving without any threats

• They are extinct

• Their population is decreasing

How many sea otters are currently surviving on the Olympic coast?

• Nearly 1500

• Nearly 1000

• Nearly 500

• Nearly 2000