Abiotic factor - No living physical and chemical  parts.

Biotic factor - Any livening component that affects any living organism.

Ecosystem - Community of living organism.

Habitat - Ecological or enviormental area.

Organism - An individual plant or animal or Singel celled life form.

Population - The amount of people or organism in a area.

Community - A group of people living in the same place.

Classification - The action or proses of classifating something.

Taxonomy - A branch of science concerned with classification.