logistic equation: The mathematical expression for a particular sigmoid growth curve in which the percentage rate of increase decreases in linear fashion as the population size increases.

The graph plots percentiles of the population on the horizontal axis ... After collecting data from a relatively large sample size, a Lorenz curve is then fitted to best demonstrate the ...

Survivorship curves visually answer these demographic questions. Imagine a population of 1,000 individuals born at the same time in the same place. As time progresses, some individuals die ...