The environment composition

-Ecology:science that studies the relationships between plants, animals, people, and their environment, and the balances between these relationships
-Environment: the air, water, minerals, organisms, and all other external factors surrounding and affecting a given organism at any time.
-Environmentalist:a person who is concerned with protecting and preserving the natural environment
-Ecologist:ecologist is a scientist who studies how animals and plants interact with their environment.
-Ecosystem: A dynamic complex of plant, animal and micro-organism communities and their non-living environment interacting as a functional unit.
-Socioecological system: An ecosystem, the management of this ecosystem by actors and organizations, and the rules, social norms, and conventions underlying this management
-Antrhopogenic: relating to, or resulting from the influence of human beings on nature.

Biodiversity: The variability among living organisms from all sources including terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part. This includes variation in genetic, phenotypic, phylogenetic, and functional attributes, as well as changes in abundance and distribution over time and space within and among species, biological communities and ecosystems.