Dzie!

5. all the populations of different species that live in the same area and interact with one another
6. all life on Earth
9. Dark-colored organic material in soil
13. movement of individuals out of a population
14. an environment area where a particular species lives
15. Earth's solid rock outer layer
18. amount of sediment in a river
19. process that breaks down rocks and other materials at Earths surface

1. land form with high elevation and high relief
2. force that pulls rock and soil down slopes
3. fossil fuel when an organism buried in sediment dissolves, leaving hollow area
4. one lithospheric plate collides and plunges down into the mantle
6. plate boundaries that forms the Himalayas
7. wind erosion that removes surface materials
8. a larger stream
10. sediments deposited directly by a glacier
11. super continent
12. my favorite food starts with a G
16. a fossil that provides evidence of the activities of ancient organisms
17. ability to do work