Quiz 38: Animal Ecology
Ecology is the relation of a species to its environment both organic and inorganic while the environment includes the total of physical and biotic conditions that surround an organism.
When organisms of the same species exist together it is called a population. When two or more populations of different species exist together it is called a community. When different communities come together it is known as ecosystem.
A habitat is the specific space inhabited by a particular species which includes the environment. Many habitats make up the environment.