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SUMMARY:Adaptations of Antarctic Marine Animals and Changing Environments 
 - Professor Lloyd Peck (Science Leader of Biodiversity\, Evolution and Ada
 ptation Team\, British Antarctic Survey &amp\; Fellow of Wolfson College)
DTSTART:20210611T170000Z
DTEND:20210611T180000Z
UID:TALK159406@talks.cam.ac.uk
CONTACT:Julian Siebert
DESCRIPTION:The Southern Ocean is the coldest ocean on Earth. Its temperat
 ures are amongst the most stable of the global marine environment with mos
 t places having annual temperature ranges of less than 3°C\, and some pla
 ces less than 1°C. Total darkness in winter and 24 h sunlight in summer r
 esults in very short summer phytoplankton blooms that provide the resource
 s for nearly the whole marine ecosystem. Conditions have been like this fo
 r over 15 million years\, well long enough for the evolution of specific a
 daptations to these conditions. This talk will focus on the adaptations of
  the unique fauna living on the seabed around Antarctica. These include: w
 hy some species are giants\; why none of the common crabs seen elsewhere i
 n the world live there\; how some fish are the only vertebrate species on 
 Earth that can survive without red blood cells\, haemoglobin or myoglobin\
 ; the growth and development rates that are slower than they should be eve
 n at polar temperatures\; and why it seems that proteins are much more dif
 ficult to make at temperatures around 0°C than at warmer temperatures. It
  will also deal with how these adaptations affect abilities to respond to 
 environmental change\n\nRegister "here":https://wolfson-cam-ac-uk.zoom.us/
 meeting/register/tJUldeqtqjMuHNxIlhMOJERPk7BT4LzmaoL_
LOCATION:Wolfson College Zoom meeting
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