Abiotic Factor- In biology and ecology, abiotic components or, abiotic factors, are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.

Biotic Factor- A biotic factor is any living component that affects another organism, including animals that consume the organism in question, and the living food that the organism consumes. Each biotic factor needs energy to do work and food for proper growth. Biotic factors include human influence.

Ecosystem- An ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system.

Habitat- A natural home or environment.

Organism- A celled life form.

Population- All the inhabitants.

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

Classification- An action of classifying something.

Taxonomy- The branch of science concerned with classification.