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Fig. 4. Effects of diet and temperature on survival. Lifespan of C.
elegans at 25°C (diamonds), 20°C (squares) and 15°C
(triangles) on NGM (filled symbols) or in CeMM (open symbols). (A) A typical
death curve. Inset is a table of median, mean ± s.d. and maximum life
span. (B) Data expressed as percentage of median lifespan. (C) Data expressed
as a percentage of maximum lifespan. This format is also known as a survival
curve.