algae - water living organisms, bay - large mouth of a river, biome - a complex community with plants, animals, and climate, coral reefs - ridges of rocks hardened animal skeletons near the surface of the water, erodes - wears away from water or wind, gills - how marine animals breathe, tide - the rise and fall of ocean waters, tentacles - flexible limbs used for feeling, grasping, and movement, prey - something that is hunted, species - group of living things with common characteristics,

Oceans

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恢復自動保存: ?