Ecology.

Habitat

The natural environment or home where a plant, animal or another organism normally lives and grows

Biodiversity

The immense viariaty of all living things on earth, including plants, animals, fungi and microorganisms, across every level of life.

Ecosystem

A biological community of living organisms interacting with each other and with their non-living physical environment.

Population

A group of individuals of the same species that live in the same specific geographic area at the same time and have the potential to interbreed.

Community

A group of different species populations that live and interact in the same geographic area at the same time.