Across
- 2. the study of the interrelationships of organisms with other organisms with other organisms and with their non-living environment
- 5. different populations living in the same place at the same time
- 8. the variety of life on earth. measured at the genetic, species and ecosystem level
Down
- 1. a group of individuals of the same species living in the same place at the same time
- 2. a community of living organisms and non-living factors
- 3. the place where a population of organisms live
- 4. a layer around the earths surface that supports life
- 6. non-living components of ecosystems
- 7. living organisms