Monthly Archives: July 2012

Not too hot and not too cold: reptiles (ectotherms) in the Kalahari.(Part 5)

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The Kalahari desert can get extremely hot in summer & very cold in winter. Snakes & lizards in the desert have to maintain their optimal temperature despite these large changes in ambient temperature. Behavioral mechanisms play an essential role & when … Continue reading

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Not too hot and not too cold: Thermal stress & how organisms adapt? (part 4)

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Seasonal migrations in terrestrial & aquatic animals & daily choice by mammals of the right time of day for hunting illustrate how changes in temperature influence animal behavior. Temperature greatly affects all organisms & imposes limits on where they can survive … Continue reading

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Not too hot and not too cold: Jargon in heat regulation; Its Greek to me! (Part 3)

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Warm blooded and cool blooded are easily understood terms. Unfortunately in describing heat regulation of different animal species they are not always correct. There are lots of variations in how mammals, birds, reptiles, & fishes regulate their temperatures and thus … Continue reading

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