Zion Livingston

5. Movement of individuals into a population.
7. Organism that produces its own food.
11. Study of interactions between organisms and their environment.
15. Resource that can be replenished naturally or through human intervention.
16. Non-living components of an ecosystem.
17. Long-term patterns of temperature, humidity, wind, etc., in an area.
19. Symbiotic relationship where both organisms benefit.
21. Accumulation of pollutants at successive levels of the food chain.
23. Interconnected system of living organisms and their environment.
24. Natural environment where an organism lives.
26. Variety of life forms in a given area.

1. Organism that obtains energy by consuming other organisms.
2. Living components of an ecosystem.
3. Organism that produces its own food through photosynthesis or chemosynthesis.
4. Movement of individuals out of a population.
6. Symbiotic relationship where one organism benefits and the other is unaffected.
8. Large geographical area characterized by certain types of flora and fauna.
9. Organism that relies on organic compounds for energy.
10. Introduction of harmful substances or contaminants into the environment.
12. Symbiotic relationship where one organism benefits at the expense of another.
13. All populations of different species living and interacting in a particular area.
14. Organism that breaks down dead organic matter.
18. Interaction between two different organisms living in close physical association.
20. Network of interconnected food chains.
22. Resource that is finite and cannot be replaced.
25. Total mass of living organisms in a given area.