Ecology

4. The change in either a species, composition, structure or architecture of vegetation through time
8. An organism that makes its own food
10. The process in which carbon atoms continually travel from the atmosphere down to Earth and back again
14. A organism the feeds on and breaks down plant and animals into simple substances
15. An organism feeds on other organisms.
16. An thing in a biome or an ecosystem that is non-living
17. A series of organism that dependent on each other to gain energy

1. The cycle that processes water through the atmosphere, oceans and land
2. All spaces in/on/above Earth where creatures live
3. A large geographical area that has similar abiotic conditions and biotic creatures
5. An organism that eats other organisms to gain energy
6. The environment where an animal lives
7. A chain of interlocking, independent food chains
9. The amount of one species living in an area
11. An organism that feeds on both plants and animals
12. An organism that eats plants for energy
13. A group of organism that come together to produce fertile