environmental change and management

123456789101112
Across
  1. 3. the relationship between living things and their physical environment
  2. 4. multiple forces that can cause a negative impact on our environment
  3. 6. the state of being inferior in quality or insufficient in amount.
  4. 12. different life forms that make up an ecosystem.
Down
  1. 1. the natural home or environment of an animal, plant, or other organism.
  2. 2. a process where a gas is exchanged between organisms and the environment.
  3. 3. a living thing that no longer exists
  4. 5. the trapping of the sun's warmth in a planet's lower atmosphere, due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.
  5. 6. the presence in or introduction into the environment of a substance which has harmful or poisonous effects.
  6. 7. the nature surrounding us
  7. 8. a gradual rise in average temperatures
  8. 9. a natural fuel such as coal or gas that has aged and formed over time
  9. 10. When an organism accumulates a material in its body at a concentration greater than the environment.
  10. 11. Sandstorms and migration are possible negative consequences of: