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Bears

Published on Nov 20, 2015

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PRESENTATION OUTLINE

1.

BEARS

THEIR INFRADIAN RHYTHMS AND US.
Photo by digitalART2
2.

INTERNAL ENDOGENOUS PACEMAKERS

  • Hormones
  • Hibernation
  • Evidence
Photo by marttj
3.

EXTERNAL ZEITGEBERS

  • Day length
  • Black bears
  • Captivity & shelter
Photo by wwarby
4.

US.

Photo by geezaweezer
5.

US.

6.

COMPARISONS

BEARS VS. US
Photo by virtualwayfarer

Scott Sutcliffe