Chapter 1
The chemistry of living light
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Chapter 2
Deep-sea hunting and survival strategies
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Chapter 3
Defense mechanisms in the dark
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Chapter 4
Communication and community in the abyss
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YOUR GOAL
Master of Bioluminescence in the deep ocean
Ch 3 · Defense mechanisms in the dark
teacher Down in the deep, where no sun shines bright, / Critters make their own living light.
Fun Fact
Atolla burglar alarm: When attacked, the Atolla jellyfish flashes a bright blue ring to attract a larger predator to eat its attacker.
Glossary
counterillumination (noun)
A form of active camouflage where an animal emits light to match the radiance of its background. In the ocean's twilight zone, hatchetfish use ventral photophores to blend with downwelling sunlight and evade predators.
A form of active camouflage where an animal emits light to match the radiance of its background. In the ocean's twilight zone, hatchetfish use ventral photophores to blend with downwelling sunlight and evade predators.