Right, so cats are close to an r-selection strategy: http://en.wikipedia.org/wiki/R/K_selection_theory http://en.wikipedia.org/wiki/R/K_selection_theory If yo

Right, so cats are close to an r-selection strategy: http://en.wikipedia.org/wiki/R/K_selection_theory http://en.wikipedia.org/wiki/R/K_selection_theory If you were to do the same calculation with fruit flies, or even bacteria, you'd probably reach the number of atoms in the universe (~ 10^80) in less than five years. For various reasons, the exponential will turn into a logistic curve pretty soon (unstated assumptions of the article include the availability of food, water, space and the absence of predators).