Density is defined as the physical quantity that quantifies the distribution of mass or any other considered quality over a given volume.

Define density dependent factors. Howard and fiske's 2 original idea that the. Predator and prey relationships often define the density dependence of a given population and how to. The condition that environmental factors influence population growth rate in relation to population size.

Any factor, density dependent or independent, can be either beneficial or negative. If it were not for these. When a population of organisms becomes too large, the individuals will suffer because there will not be enough resources for everyone.

Density dependence usually is seen as a linear, inverse relationship. This all depends on the population being affected. Some diseases spread faster, in a population where individuals live near each other rather than who.

The key difference between density independent and density dependent limiting factors is that density independent limiting factors are abiotic factors and environmental.