ACROSS

4. Predictable pattern of change in an ecosystem.

8. Refers to the living components of an ecosystem.

9. Place where living things interact with other living & non-living things.

12. Refers to the non-living components of an ecosystem.

14. Organism that feeds off remains of dead animals killed by other consumers.

16. Large area with a definite climate that supports certain vegetation.

17. Study of relationships among organisms & organisms & their environment.

18. Wherever living things are found on earth.

22. 2 break down materials into smaller pieces,can be reused in an ecosystem.

24. A single living thing.

29. All of the organisms in an ecosystem.

30. Animals that consume plants & animals 4 food.

DOWN

1. An ecological niche;organism breaks down materials so they can be reused.

2. The variety of living things (organisms) in an ecosystem.

3. The making process in plants,transfers sun's heat into energy 4 growth/repair.

5. Chart showing how living things are connected by the food they eat.

6. Plants/animals-been brought over from other nations,by accident/on purpose.

7. animals that consume mainly plants for food.

10. The species that first arrive in an ecosystem.

11. Important cycle of matter involving evaporation,condensation & precipitation.

13. Substance in plants that makes them look green.

15. Substances that supply bodies energy needed 2 move,grow,maintain health.

16. Products made from things once living,can be broken down by decomposers.

19. _________ Niche the way of life or the role of an organism in an ecosystem.

20. Chemicals designed 2 reduce populations of unwanted organisms.

21. Number of organisms of the same species living in a community.

23. Special structures/behaviours,helps organism succeed in its ecosystem.

25. Animals that consume other animals for food.

26. Plants that produce the food/oxygen that all consumers need to survive.

27. Animal-has to seek out/eat other living things 4 food.

28. Measure of the number of different types of organisms in an area.