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Evolutionary Physiology - Science topic

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From Contructional and Functional viewpoint it would be interesting to know the smallest size of fossil or living Vertebrate.
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Interesting question
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Why some organs are absent in vertebrates? for example rat lacks gallbladder. Is there any evolutionary or physiological reason?
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Evolution or mutation depends which organ is absence.
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The goal would be to determine (under lab conditions) differences in the reproductive success after 5-6 months of winter hibernation, of female yearlings born either early or late during the previous year.
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Hi Leon,
Thanks for your answer!
Those experiments are actually ongoing right now. We bred them by randomizing at most, and we got plently of pups. It seems so far that there are no differences in the number of pups between early and late-born females. We have to look more precisely at the pup quality and so on.
I am using the garden dormouse (Eliomys quercinus), because it reproduces quite good, have early and late reproductive events and hibernate very well in winter (including under lab conditions too!).
Regards,
Sylvain
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The standard way we run graduate courses is through a journal club format. I am looking for topic ideas in a field related to Comparative Physiology taking an evolutionary, ecological or conservation physiology approach. Part of my reasoning is to have the course appealing to non-physiologically trained ecologists but also to enhance the broader training of physiologically interested graduate students.
Please post suggestions of topics or research papers.
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Hi Glenn,
A new online journal entitled Conservation Physiology was launched,last year. I suggest to check it out for ideas. We published an invited review in the very first issue of the journal, in which we explore some ideas relevant to your question. It's available here on RG.
Regards,
Hans
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It would be interesting to know if other species are prone to Diabetes Typ 1 for example.
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Auto-immune disorders are common in dogs and include systemic lupus and hemolytic anemia. You might contact the American Association of Veterinary Immunologists at: www.theaavi.org