Across
- 1. rate The number of deaths in a population in a certain amount of time.
- 6. Find an approximate value for an unknown quantity.
- 9. A group of interdependent organisms inhabiting the same region and interacting with each other.
- 11. A system formed by the interaction of a community of organisms with their physical environment.
- 12. factor An environmental factor that prevents a population from increasing.
- 14. Migration to a new location.
- 15. An individual living thing.
- 17. factor A living part of an ecosystem.
Down
- 2. Where an organism lives.
- 3. Plants use the sun's energy to convert water and carbon dioxide into sugars. (6CO2 + 6H2O + light --> C6H12O6 + 6O2)
- 4. rate The number of births in a population in a certain amount of time.
- 5. A class of individuals having some common characteristics or qualities.
- 7. Scientific study of interactions among organisms and between organisms and their environment.
- 8. A group of individuals that belong to the same species and live in the same area.
- 10. capacity Largest number of individuals of a population that a environment can support.
- 13. Migration from a location.
- 16. factor Non-living factors including temperature, water, sunlight, wind, rocks and soil.
