Iskra's Glitter Worm: Deep-Sea Animal Image

Secrets of the midnight zone

Chapter 1

Life in the shadows

Chapter 2

Toxic oases and hot springs

Chapter 3

Under crushing pressure

Chapter 4

The technology of discovery

Ch 1 · Life in the shadows
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artiteacher The Poseidon Squid

Ghost-pale skin, / Trident-hook claws, / Zero glowing lights!

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The glowing ocean of the midwater

artiteacher Animals use a chemical reaction involving luciferin to create bioluminescence, helping them find mates, lure prey, and scare predators in darkness.

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Quiz

What is the chemical molecule responsible for producing biological light in most deep-sea creatures?

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Quiz

At what depth does the ocean's midnight zone begin, where sunlight no longer penetrates?

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Sometimes the best way to avoid danger is to let it pass right through you.

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The sparkling Iskra's glitter worm

artiteacher A high schooler named this ocean worm using the Slavic word for spark.

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Quiz

What does the name Iskra mean, which was given to the newly discovered deep-sea glitter worm?

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Quiz

Where was Iskra's glitter worm first discovered by scientists?

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Fun Fact

Glowing sharks: Some deep-sea sharks have glowing undersides to camouflage themselves against faint sunlight from above.

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Quiz

How does being transparent help the glass octopus survive in the deep ocean?

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Quiz

Which parts of the glass octopus's body are NOT transparent?

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Gossip

Which deep-sea superpower would you want?

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Quiz

How did scientists obtain the first specimen of Poseidon's squid?

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Quiz

When did scientists officially recognize Poseidon's squid as a completely new family of squid?

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