Answer the following question given this paragraph: 

Population density just represents the average number of individuals per unit of area or volume. Often, individuals in a population are not spread out evenly. Instead, they may live in clumps or some other pattern (see Figure below ). The pattern may reflect characteristics of the species or its environment. Population distribution describes how the individuals are distributed, or spread throughout their habitat.


Q: How the individuals in a population are spread throughout their habitat is referred to as what?

 Choices:

- habitual distribution

- population habitation

- population spread

- population distribution

A:
population distribution
