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Across 4. Top layer of the ocean (2 Words) 6. This goes into the ocean because of the ocean's size and its evaporation 10. Middle layer of the ocean (2 Words) 11. A common plant that grows in the marine biome 12. Ecosystems with similar climates and communities

Down 1. A chemical reaction that allows animals to produce their own light 2. A larger animal in the marine biome that eats algae 3. An adaptation that animals in the ocean usually have so they can breathe 4. An area where rivers and streams flow into the ocean 5. Plants have these in their stems to help hold them up in the water (2 Words) 7. Bottom layer of the ocean (2 Words) 8. There’s enough sunlight for photosynthesis to occur 9. An animal that usually has an external shell, soft unsegmented body, and lives in an aquatic or damp habitat