Abiotic factor- a non living chemical and physical part of an environment.
Biotic factor- living animal or plant that influences or effects a ecosystem.
Ecosystem- a biological community.
Habitat- natural home.
Organism- an individual plant or animal called life form.
Population- all the habitats of a particular town or country.
Community- a group of people living in a same place.
Classification-a shared quality.
Taxonomy-a branch of science concerned with classification