# Ocean Depth Zones

Understand that the ocean has different zones depending on depth and light: the sunlight zone near the surface where most life lives, the twilight zone where light fades, and the midnight zone of total darkness

Builds on: What Is the Ocean? (hard, https://ai.page/c/what-is-the-ocean/en.md), Ocean Animal Variety (hard, https://ai.page/c/ocean-animal-variety/en.md)

Concept id: ocean-depth-zones. Subject: science. Licence: CC BY-SA 4.0.

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