Summary
The open ocean is the planet's largest habitat and its least understood, from sunlit surface waters down to the strange creatures of the deep. The episode shows how life gathers where food is rich — and how overfishing and plastic reach even here.
Viewer safety
Ages 5+Mild peril
Ocean predators feeding together; some brief peril. Nothing graphic.
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Teaching resources
Discussion questions
Discussion
The open ocean is huge, and human activity reaches all of it.
- Why is the open ocean called the largest habitat on Earth?
- Where do ocean animals gather, and why?
- How do fishing and plastic pollution affect animals far out at sea?
- What is one way people could reduce plastic reaching the ocean?
Quick work-a-long
Vocabulary: open ocean, deep sea, pollution, overfishing.
Try it: Write down one habit your class could change to keep less plastic out of the ocean.