Across
- 2. the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
- 5. all organisms that grow or live wild in an area without being introduced by humans.
- 7. process of converting waste materials into new materials and objects
- 8. the surroundings or conditions in which a person, animal, or plant lives or operates.
- 9. the branch of biology concerned with the relations between organisms and their environment
- 11. community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.
Down
- 1. the area of air and gas enveloping objects in space, like stars and planets, or the air around any location.
- 3. terrestrial or inner planet consisting of a thin outer crust, an intermediate mantle, and a dense inner core
- 4. slowly moving mass of ice
- 6. a change in global or regional climate patterns.
- 10. a very large expanse of sea, in particular each of the main areas into which the sea is divided geographically.