tynesha crossword

2. a region's long-term weather pattern, usually tracked for at least 30 years
4. the act of leaving one's own country to settle permanently in another
7. the branch of biology
9. variable in a system that causes a noticeable change in output or another measure of a type of system
10. its position in a food web
11. a biological community of interacting organisms
14. the concentration of toxins in an organism as a result of its ingesting other plants or animals
15. an association between two organisms in which one benefits and the other derives
16. an organism that obtains energy and nutrients from other organisms
17. the action of coming to live permanently in a foreign country
18. a person who purchases goods and services for personal use
20. the first step of ecological succession that occurs after a major disturbance
22. the doctrine that mutual dependence is necessary to social well-being
23. the practice of living as a parasite
25. long-term interaction between two organisms of different species

1. an organism, especially a soil bacterium, fungus
3. the role an organism plays in a community
5. an association between two organisms in which one benefits and the other derives neither benefit nor harm
6. a living organism that shapes its environment
8. harmful materials into the environment
12. an organism that helps define an entire ecosystem
13. a non-living part of an ecosystem that shapes its environment
19. a geographical region with a specific climate
21. a group of people living in the same place
24. the different nutrient processes in an environment