Space/Science — HabitableZone

Space/Science » in reply to re: Gamma-ray burst and Ice Ages

re: Photosynthesis is very sensitive to temperature

Photosynthesis stops when the temperature drops below 10 deg.C or goes above 45 deg. C. Therefore life at the bottom of the food chain would only have survived if the temperature stayed in this range most of the time.

http://forest.wisc.edu/forestry415/lecture5.5/pstemp1.gif


http://forest.wisc.edu/forestry415/lecture5.5/pstemp2.gif

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