Blue planet. Episode 5, Seasonal seas

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Summary

Sunlight is the vital source of energy used by the countless billions of plankton which live in the world's temperate sea. Forests of giant kelp harbour thousands of animals. Sharks, Sea otters, br...

Sunlight is the vital source of energy used by the countless billions of plankton which live in the world's temperate sea. Forests of giant kelp harbour thousands of animals. Sharks, Sea otters, brilliantly coloured anemones, squid and exquisite leafy dragons are just a few of the creatures that live in this cool, rich water.

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