Light sources

The video explains the darkness of deep-sea environments and introduces bioluminescence, a rare ability of certain animals like copypods to produce their own light. It discusses how copypods use light for communication and defense. The concept of light sources is defined, with examples such as fires, flashlights, and the sun. The video also clarifies the difference between objects that emit light and those that merely reflect it, like mirrors and water surfaces.

What ability does the animal mentioned in the text have?

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How do copypods use their flashes of light?

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What are some examples of light sources mentioned in the text?

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Why are sparkling gems and bright mirrors not considered light sources?

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What distinguishes light sources from reflectors according to the text?

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