The world's oceans are divided into five "zones", where a diverse array of marine species and ecosystems can be found at different depths. The amount of sun light, temperature, and salinity of the water changes from zone to zone. Some species can only survive in the oceans' sunlit uppermost layer, while others must dive deep to find food.
Learn more about this topic, interact with scientists, discover amazing creatures, and celebrate science under the iconic blue whale! Details:
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