Biosphere Crossword

1. eats both plants and animals.
4. all the living things in an environment.
5. a relationship between two different organisms.
8. an organism that only eats plants.
11. somethings that prevents a process from occurring.
13. an organism that is the result of a process.
15. an organism that produces its own food.
19. when one organism eats or kills another organism.
20. the process when plants and other organisms use sunlight to produce foods from carbon dioxide and water.
23. a substance that takes part during a reaction and undergoes change.
26. interaction between two different organisms where both organisms benefit.
28. the maximum amount of organisms an ecosystem can hold.
30. an animal that eats meat and flesh from other animals.
31. a series of gradual changes that occurs after a disturbance.

2. community of interacting organisms.
3. an animal that eats dead plant material or refuse.
6. all of the nonliving things in an environment.
7. all of a certain organism living in a specific area.
9. a group of people living in the same place.
10. an organism that feeds on plants or other animals.
12. when a body of water becomes overly enriched with minerals and nutrients which cause an excessive growth of algae.
14. when an organism changes to become better suited to its environment.
16. the areas of land occupied by organisms.
17. an association between two organisms when one benefits and the other is not affected.
18. a species that is the first to colonize in a disrupted area.
21. the natural environment of an organism.
22. a process in which living organisms take in oxygen and release oxygen to produce energy.
24. a relationship between two organisms where one benefits and the other is harmed.
25. a large part of earth that has a certain climate and specific types of living things.
27. a group of living things consisting of similar organisms.
29. a role an organism plays in its ecosystem.