"The Depths of the Sea"
Watching the Planet Earth series the other night, I was reminded of a perplexing fact: there are creatures that exist in the deep ocean over a mile below where the sun can reach. The interesting thing though, is that some of these organisms (from coral to swimming crustaceans) are extremely vivid in color. The creatures that live here cannot see the rainbow of beauty surrounding them, and humans are unable to lay eyes on it unless a spotlight, a camera, and a submarine is used. So why are these colors here? Who enjoys them? Perhaps the ancestors of the living creatures once lived closer to the surface, perhaps before continental drift occurred. But why are their colors still thriving after thousands of years? I would like to know.
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