The definition of a natural resource is something that is found in nature that is useful to humans. All natural resources are finite, meaning once they are used, they cannot be replaced. Many valuable natural resources, ... More »

Resource partitioning is the process whereby similar species exploit the limited resources in an ecological area without one species driving the others into extinction. Through natural selection, each species adopts a pa... More »

A natural number is the sort of number that is commonly used for counting or basic arithmetic. They are positive whole numbers, such as one, two or three, and are used to denote quantities in everyday life. More »

In the field of ecology, a natural system is one that exists in nature, independent of any human involvement. The natural system consists of all the physical and biological materials and their intertwined processes More »

As opposed to man-made structures, natural structures are those forms that stand on their own and take a specific configuration but are not made by humans, including things like beehives, rock arches, canyons, eggshells,... More »

A constructive force creates or builds something on the earth. For instance, volcanoes are built up by constructive tectonic plate movement. Destructive forces like tornadoes and tsunamis tear down or wear away parts of ... More »

Geographic distribution refers to the way that something is distributed over a geographical area and can be represented on a map. Geographical distribution is commonly used to demonstrate the spread of animal species and... More »