Ecosystems

the sum of all living matter on Earth

all of the living (biotic) and non-living (abiotic) factor in the same geographic area

all of the non-living factors within an environment

all of the living factors within an environment

a system consisting of all the interactions that occur between the abiotic and biotic factors of an environment

the place where an organism naturally lives and grows

the function or position of an organism or a population within an ecological community

a group of organisms that are alike and are able to reproduce among themselves

a group of organisms of the same species located within the same geographical area

all of the population of different species in a particular area