Ecosystems Crossword

2. living factors in an ecosystem, like plants and animals
6. a region of land where all the streams and rainfall drain to a single place
10. species that are completly gone from an area, but still in the world
11. what a homeless beaver drinks
16. species that are non-native and disrupt the ecosystem
18. species that are the most important to an ecosystem, ex. Beaver
19. species that are completely gone from the world
20. type of soil found in dry and arid regions like deserts
21. type of soil frequently found next to freshwater ponds, lakes, or rivers

1. crucial animal to freshwater ecosystems, build dams
3. species that have low functional redundancy
4. invasive species in the Great Lakes that kill predator fish and disrupt ecosystems
5. physical geography that affects an ecosystem in a number of ways
7. a habitat for billions of organisms, a filtration system, a growing medium
8. species that are at risk of extinction
9. a region with its own features, determined by physical and environmental characteristics
12. type of soil found in warmer climates
13. non-living factors in an ecosystem, like sunlight and air
14. species that are originally from an area
15. an important role within an ecosystem, examples include keystones, indicators, native species, etc.
17. the name of your favorite peer tutor