Across
- 2. an individual living thing, consisting of one or more cells
- 6. One of the river-like flow patterns in the oceans
- 7. A non-living component of the environment, such as air, water, or temperature
- 10. The entire portion of Earth inhabited by life; the sum of all the planet's ecosystems
- 13. a group of individuals belonging to one species and living in the same geographic area
Down
- 1. The environment in which an organism lives
- 3. Latitudes between the tropics and the Artic Circle in the north and the Antarctic Circle in the south; regions with midler climates than that tropics or polar regions
- 4. Several different ecosystems linked by exchanges of energy, materials, and organisms
- 5. Major global air movements; winds that result from the combined effects of Earth's rotation and the rising and falling of air masses
- 8. Latitudes between 23.5 degrees north and south; the region surrounding the equator
- 9. All othe organisms in a given area, along with the nonliving (abiotic) factors with which they interact; a biological community and it's physical environment
- 10. A major type of ecological associate that occupies a broad geographic region of land or water and is characterized by organisms adapted to the particular environment
- 11. An assemblage of all the populations of organisms living close enough together for potential interactions
- 12. A living component of the environment; an organism or a factor pertaining to one or more organisms