<span> chronological, functional, combination, targeted. </span>
They are the managed consumption of natural resources to prevent their depletion or the destruction of the environment.
<span>All of the populations of different species that occupy and are adapted to a given area are referred as a community.
In a community, there will be many populations of different species. Population is a group of individual in a certain area. The more species in the community, the more complex it is.</span>
