Overview
Apart from their external appearance, animals go through behavioural and physiological changes to adapt themselves to different environments: for example.
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7 - 1The Sun June 20, 1966 -
7 - 2Natural History Of The Niagara Gorge June 27, 1966
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7 - 3Air And Water Pollution July 04, 1966
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7 - 4The Battle Against Biting Insects July 11, 1966
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7 - 5Air Conditioning - Natural And Man-Made July 18, 1966
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7 - 6The Physics Of Sailing July 25, 1966
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7 - 7Epidemics August 01, 1966
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7 - 8Summer Storms August 08, 1966
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7 - 9Fishing And The Splake August 15, 1966
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7 - 10The Value Of Our Parks August 22, 1966
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7 - 11Forest And Fires August 29, 1966
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7 - 12Water On The Level September 05, 1966
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7 - 13Galapagos: Darwin September 04, 1966
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7 - 14Galapagos: The Islands September 11, 1966
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7 - 15Galapagos: New Beings September 18, 1966
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7 - 16Galapagos: Ways Of Survival September 25, 1966
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7 - 17Galapagos: Living Laboratory October 02, 1966