Across
- 5. group of organisms that breed and produce offspring
- 8. process that releases energy from food in the presence of oxygen
- 10. any nonliving part of the environment
- 12. all the water of the Earth’s surface as well as the water vapor and rain in the atmosphere and water underground
- 14. all of the organisms that live in a place, together with their physical environment
- 15. a group of different populations that live together in a defined area
Down
- 1. A species is introduced into a new region with plentiful resources and few predators
- 2. Chemical energy is contained in the bonds between atoms
- 3. consists of all life on Earth and all parts of Earth in which life exists
- 4. solid earth which consists of rocks, continents, and the ocean floor
- 6. a group of individuals that belong to the same species and live in the same area
- 7. any living part of the environment
- 9. a layer of all the gases that surround Earth
- 11. the scientific study of the interactions between organisms and between organisms and their surrounding
- 13. process that requires oxygen
