Across
- 4. Includes all parts of earth in which life exists
- 6. consists of short-term changes in temperature, precipitation, clouds, and wind from day to day
- 9. The scientific study of interactions among organisms, populations, and communities
- 12. includes all the gases that surround earth
- 13. one of the steps of gathering ecological data, usually the first step in asking questions
- 14. Earth's average temperature is determined by the balance between the amount of heat that stays in the atmosphere and the amount of heat that is lost to space
- 15. an assemblage of different populations that live together in a defined area
- 16. is a group of individuals that belong to the same species and live in the same area
- 17. all organisms that live in a place, together with their physical environment
Down
- 1. Includes all the "usually solid stuff" - rocks, continents, and the ocean floor
- 2. consists of all Earth's fresh water and salt water
- 3. patterns and averages of temperature, precipitation, clouds, and wind over many years
- 5. one of the steps of gathering ecological data, help in understanding the phenomena
- 7. one of the steps of gathering ecological data, designed to test hypotheses
- 8. any nonliving part of the environment, such as sunlight, heat, precipitation, humidity, wind, water, and soil
- 10. any living part of the environment with which an organism might interact
- 11. is a group of similar organisms that can breed and produce fertile offspring