Overview
Animals modify their environments in many ways: by building nests, damming streams.
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6 - 1Animals And Man October 03, 1965 -
6 - 2Animals On Land October 10, 1965
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6 - 3Animals In The Water October 17, 1965
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6 - 4Animal Adaptation October 24, 1965
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6 - 5Animal Adaptation October 31, 1965
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6 - 6Animals And Food November 07, 1965
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6 - 7Animals As Engineers November 14, 1965
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6 - 8Animals As Engineers November 21, 1965
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6 - 9Animal Hands And Tools November 28, 1965
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6 - 10Animal Vision And Smell December 05, 1965
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6 - 11Animal Territory And Aggression December 12, 1965
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6 - 12Animal Social Behavior December 19, 1965
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6 - 13Episode 13 December 26, 1965
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6 - 14Animal Learning January 02, 1966
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6 - 15Episode 15 January 09, 1966
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6 - 16Episode 16 January 16, 1966
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6 - 17Man And Animals January 23, 1966