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How to Survive the Deep Sea | Adaptations Explained

The deep sea is a world of challenges. Pressure increases rapidly. In the mesopelagic zone, the light of the sun becomes a faint glow, and at 1,000 metres down, the midnight zone is bathed in darkness.

2021-12-14 19:00:00 - Natural World Facts

And yet, even in this bitter uninviting world of cold shadows, a myriad of peculiar creatures have made their homes, dramatically adapting their anatomy, behaviours and physiologies in order to cope with the challenge of living here. In this film, we’ll take a look at the unique ways in which these otherworldly creatures have adapted to thrive as masters of the deep dark sea.


00:00 | An Introduction to Deep Sea Adaptations

01:55 | Anatomical Adaptations - How Adaptations Arise

03:16 | Anatomical Adaptations - Colour and Camouflage

04:58 | Anatomical Adaptations - Vision in the Depths

06:45 | Anatomical Adaptations - Coping Under Pressure

08:11 | Anatomical Adaptations - Gigantism in the Abyss

10:01 | Physiological Adaptations - An Overview

10:55 | Physiological Adaptations - Bioluminescence

12:26 | Physiological Adaptations - Fish that Produce Antifreeze

13:04 | Behavioural Adaptations - An Overview

13:21 | Behavioural Adaptations - The Ecological Interactions

14:22 | Behavioural Adaptations - Scavenging the Sinking Snow

16:00 | Behavioural Adaptations - Surviving on the Sunken Scraps

16:33 | Behavioural Adaptations - The Great Vertical Migration

17:19 | Behavioural Adaptations - Their Importance

17:55 | Conclusion: Nature's Experiment

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