Microorganisms like warm water so - and sometimes we leave them behind for various reasons.
微生物喜欢温暖的水-有时我们因为各种原因把它们留在那里。
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Cyanobacteria and other microorganisms build stromatolites in shallow water as they grow, gradually trapping and binding sediments into the small rock-like towers and mounds.
During the first three stages, they live entirely in water.During the larva stage, they feed on algae and other microorganisms and must frequently bob to the surface of the water to get air.