Transcription: Fresh water covers a tiny fraction of the planet's surface and yet it supports a surprising diversity of life. The still waters of lakes and ponds and the flowing waters of the rivers that feed them and flow from them provide a wide range of living conditions for animals and plants. The rivers eventually empty into the seas where conditions are different again. On the coasts highly special communities have adapted to the changeable conditions and the pounding of the seas. Out in the open oceans there are few large plants but an abundance of microscopic life which supports the marine food chain ...
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