Ecosystem
Species: Individual organism that naturally mates with a group of closely related organisms to product offspring.
Population: Two or more of the same species that live in the same geographical area and interbreed.
Community: A group of species that live in the same habitat and interact with each other.
Ecosystems: Consists of a community and all the physical aspects of its habitat such as the soil, water and weather.
Biomes: A large region characterized by a specific type of climate and certain types of plant and animal communities.