Animals at the extremes: Polar biology
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# Acknowledgements

The content acknowledged below is Proprietary (see terms and conditions) and is used under licence.

Grateful acknowledgement is made to the following sources for permission to reproduce material in this course:

Course image: International Fund for Animal Welfare in Flickr made available under Creative Commons Attribution-NonCommercial 2.0 Licence.

Figures 2a, 5 Dr Alison Ames;

Figures 2b, 17, 18b, c, 22a and b Caroline Pond, Open University;

Figure 7 Mark Eaton;

Figure 10a Bryan and Cherry Alexander Photography;

Figure 10b © Kim Crosbie;

Figures 13 and 14 Donahue, S. W. et al. (2003) Serum markers of bone…, Clinical Orthopaedics and Related Research, 406. Copyright © Dr S. W. Donahue;

Figure 18a Dill, P. B. and Irving, L. (1964) Polar biology, Handbook of Physiology, Chapter 5, American Physiological Society;

Figure 18b, c Dr Malcolm A. Ramsay, University of Saskatchewan, Canada;

Figure 20 Captain Budd Christman, Office of NOAA Photo Library;

Figure 21 Office of NOAA Photo Library;

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OpenLearn - Animals at the extremes: Polar biology
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