1. 6 th Grade Chapter 25 Organisms and Their Environment

2. Ecosystem Area where living things interact with each other and the environment

3. Ecosystem

4. I am reading chapter 25 and I found… ecosystem

5. Biotic Factor The living part of an ecosystem

6. Biotic

7. I am reading chapter 25 and I found… Biotic factor Ecosystem

8. Abiotic factor The nonliving part of an ecosystem such as air, soil, and water

9. Abiotic Factors

10. I am reading chapter 25 and I found… Abiotic factor Biotic factor Ecosystem

11. population A group of individuals of the same species living in a particular area

12. Population

13. I am reading chapter 25 and I found… Population Abiotic factor Biotic factor Ecosystem

14. niche The specific role of an organism in its habitat

15. niche

16. I am reading chapter 25 and I found… Niche Population Abiotic factor Biotic factor Ecosystem

17. community Two or more groups of different organisms that live and interact in the same area

18. Community

19. I am reading chapter 25 and I found… Community Niche Population Abiotic factor Biotic factor Ecosystem

20. Food chain A sequence of organisms through which food energy passes.

21. Food chain

22. I am reading chapter 25 and I found… Food Chain Community Niche Population Abiotic factor Biotic factor Ecosystem

23. Producer An organism that can make its own food.

24. Producer

25. I am reading chapter 25 and I found… Producer Food Chain Community Niche Population Abiotic factor Biotic factor Ecosystem

26. Consumer An organism that eats other living things.

27. Consumer

28. I am reading chapter 25 and I found… Consumer Producer Food Chain Community Niche Population Abiotic factor Biotic factor Ecosystem

29. Food Web A network of relationships in which the flow of energy branches out in many directions.

30. Food Web

31. I am reading chapter 25 and I found… Food Web Consumer Producer Food Chain Community Niche Population Abiotic factor Biotic factor Ecosystem

32. Energy Pyramid A diagram showing the amount of energy available at each level of a food chain.

33. Energy pyramid

34. I am reading chapter 25 and I found… Energy PyramidEcosystem Food WebBiotic Factor Consumer Producer Food Chain Community Niche Population Abiotic factor

35. Evaporation The process by which heat energy changes a liquid to a gas.

36. evaporation

37. I am reading chapter 25 and I found… Evaporation Energy PyramidEcosystem Food WebBiotic Factor ConsumerAbiotic factor Producer Food Chain Community Niche Population

38. Condensation The process in which a gas changes phase to a liquid.

39. condensation

40. I am reading chapter 25 and I found… Condensation EvaporationPopulation Energy PyramidEcosystem Food WebBiotic Factor ConsumerAbiotic factor Producer Food Chain Community Niche

41. Precipitation Moisture in the atmosphere that condenses and fall to the earth as sleet, snow, hail, or rain.

42. Precipitation

43. I am reading chapter 25 and I found… Precipitation CondensationNiche EvaporationPopulation Energy PyramidEcosystem Food WebBiotic Factor ConsumerAbiotic factor Producer Food Chain Community

44. Nitrogen fixation The bacterial conversion of atmospheric nitrogen to useable compounds.

45. Nitrogen Fixation

46. Succession The replacement of one community by another over a period of time

47. succession

48. I am reading chapter 25 and I found… Nitrogen FixationFood Chain PrecipitationCommunity CondensationNiche EvaporationPopulation Energy PyramidEcosystem Food WebBiotic Factor ConsumerAbiotic factor Producer