Starring Your Host

2. Starring Your Host Alex Trebek

3. Ecosystems Food Chains Who’s Eating Whom? Changing Environment Potluck 100 pts 100 pts 100 pts 100 pts 100 pts 200 pts 200 pts 200 pts 200 pts 200 pts 300 pts 300 pts 300 pts 300 pts 300 pts 400 pts 400 pts 400 pts 400 pts 400 pts 500 pts 500 pts 500 pts 500 pts 500 pts

4. The definition of ecosystem.

5. What is all the living and nonliving things in an area that interact with each other? Ecosystems 100 pts.

6. The study of interactions between living things in their environment.

7. What is ecology? Ecosystems 200 pts.

8. One way organisms interact.

9. What is predation, competition or symbiosis? Ecosystems 300 pts.

10. All the frogs in a pond.

11. What is population? Ecosystems 400 pts.

12. Frogs, fish, plants, snails, and beavers living in a pond.

13. What is a community? Ecosystems 500 pts.

14. Overlapping food chains

15. What is a food web? Food Chains 100 pts.

16. The normal order of a food chain.

17. What is energy source producer primary consumer  secondary consumer  decomposer? Food Chains 200 pts.

18. Why food webs are sometimes displayed in a pyramid.

19. What is because 1. energy is lost as you move up the food web and 2. more organisms exist at the bottom of the food chain that at the top? Food Chains 300 pts.

20. The tree.

21. What isproducer? Food Chains 400 pts.

22. A secondary consumer

23. What is-Jackal-Wild cat-Owl-Snakeor-Lion? Food Chains 500 pts.

24. The one being eaten.

25. What is prey? Who’s eating? 100 pts.

26. The one doing the eating (hunting other animals).

27. What is predator? Who’s eating? 200 pts.

28. The definition of a scavenger.

29. What is an animal that eats the remains of dead animals? Who’s eating? 300 pts.

30. Organisms that break down dead matter.

31. What are decomposers? Who’s eating? 400 pts.

32. The difference between carnivores, herbivores, and omnivores.

33. What is-Carnivores eat other animals (secondary consumers or higher)-Herbivores eat only plants (or producers) and are always primary consumers-Omnivores eat plants and animals. Who’s eating? 500 pts.

34. A species in danger of becoming extinct.

35. What is endangered species? Environment 100 pts.

36. Anything that controls the growth or survival of a population.

37. What is limiting factor? Environment 200 pts.

38. The maximum population size that resources in an area can support.

39. What is carry capacity? Environment 300 pts.

40. One way people are affecting the ecosystem.

41. What is clearing forests, pollution, destroying habitats by tearing down and building, using up food supplies and natural resources? Environment 400 pts.

42. Why humans should worry about animals becoming extinct.

43. What is because most food chains are interrelated. Each animal has a unique niche that no other animal can fill. One animal becoming extinct will cause problems throughout the food web? Environment 500 pts.

44. An area that provides food and shelter.

45. What is a habitat? Potluck 100 pt

46. Living and nonliving factors in an ecosystem.

47. What are biotic and abiotic factors? Potluck 200 pt

48. Primary consumers are also known as.

49. What areherbivores? Potluck 300 pt

50. Secondary consumers are also known as ...