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SUMMARY:Evolution of Biological Complexity - Raymond E. Goldstein (Univers
 ity of Cambridge)
DTSTART:20100303T200000Z
DTEND:20100303T210000Z
UID:TALK22613@talks.cam.ac.uk
CONTACT:Rebecca Bowler
DESCRIPTION:One of the most fundamental issues in evolutionary biology is 
 the nature of transitions from unicellular organisms to multicellular ones
 . Many basic questions arise in this context: What is the advantage of bei
 ng larger? What are the driving forces behind the appearance of distinct c
 ell types? In this talk I will describe an approach to these broad questio
 ns based on the use of a particular lineage of green algae which serves no
 t only as a model for evolutionary studies\, but also for biological fluid
  dynamics. Experimental and theoretical results will be described that foc
 us on the scaling laws for nutrient uptake as a function of size\, particu
 larly as affected by fluid flows driven by the flagella of these organisms
 \, the synchronization of those flagella\, and the mechanism by which mult
 icellular organisms composed of thousands of cells exhibit accurate photot
 axis in the absence of a central nervous system.\n\nThere would be a wine 
 reception after the talk with the guest speaker.\n\nFree for members\, £2
  for non-members.
LOCATION:Pharmacology Lecture Theatre
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