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These calcified deposits can grow to enormous sizes over long periods of time and form coral reefs -- one of the world's most productive ecosystems, which can harbor more than 4, 000 species of fish and many other marine life forms.
CNN: Report: Coral almost as genetically complex as humans
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Rather than fight googly-eyed martians, however, you help spread life to the Red Planet, planting a variety of seeds which in turn grow a variety of plant-life, and awaken other forms of life, as you traverse the depths.
FORBES: Connect
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But without a star to keep the earth warm, other forms of life would be doomed to a chilly death.
ECONOMIST: To the ends of the earth