1. Name a decomposer.

2. Biotic or Abiotic? Fungi

3. A Herbivore eats _______.

4. When creating a food web - the arrow points __________ the organism that is eating.

5. Which aquatic biome has low salt concentration and includes lakes, streams and ponds?

6. Biotic or Abiotic? Precipitation

7. Name 2 herbivores.

8. Plants remove carbon dioxide from the atmosphere; therefore plants are involved in the _____ cycle.

9. Does a parasite kill its host? Why or why not?

10. Fix it – A model of energy transfer is an ecological biome.

11. Which type of animal eats consumers? Herbivore or carnivore

12. Populations that live and interact together are referred to as _____.

13. Biotic or Abiotic? Climate

14. The number of individuals in a population is the population’s _____.

15. A carnivore eats ______.

16. Which biome is treeless, with frozen soil called permafrost?

17. Animals that are eaten by other animals are referred to as _____.

18. A certain species of vine grows on the trunk of a tree. The vine uses the tree to help it reach sunlight. The tree is not harmed by the climbing vine. Its relationship with the tree is a type of symbiosis called ____.

19. Biotic or Abiotic? Fish

20. Biotic or Abiotic? Mammals

21. Here is an example of a food chain: plankton - krill - small fish - salmon - bald eagle. How would the community most likely change if the plankton were removed?

22. A single member of a population is referred to as a(n) _____.

23. Biotic or Abiotic? Soil

24. Matter on Earth is ______, it is _________, over and over again.

25. Is a food chain or food web - the most complete model of a feeding relationship?

26. Biotic or Abiotic? Plants

27. Which type of symbiosis describes a relationship between populations of the honey badger and the honey guide bird in a Savannah ecosystem if both populations benefit from one another.

28. Stress, starvation, disease, predation and parasites, poor reproductive success and damage to the habitat are all ________ of a population.

29. Population _____ can be even, random, or clumped together.

30. Show (in numbers) how energy is lost as it travels up the pyramid.

31. An Omnivore eats _____.

32. Carbon is _____ through the carbon cycle.

33. herbivore carnivore sun producer decomposer Place the terms below in the order in which energy moves through an ecosystem.

34. Name an organism that breaks down the remains of dead plants and animals.

35. Fix it – Consumers capture and use energy from the sun.

36. The part of Earth that supports life is a(n) _____.

37. Which biome is barren with little rainfall, extreme temperatures, and sparse vegetation?

38. As you move from level to level on an energy pyramid the amount of energy _____.

39. Fix it – A series of overlapping food chains is a niche.

40. Name a biotic factor.

41. All energy on Earth is renewed constantly by _____.

42. Fix it – A model of energy available in pa predator chain is an energy pyramid..

43. Make a food chain from this web.

44. What process do plants use to make food?

45. What does an ecologist study?

46. What is the difference b/w an organism and a population?

47. Explain why there are more mice than owls?

48. Fix it – The biome we live in is a tropical rainforest.

49. List 7 biomes.

50. True or False – A beach is a biome.

51. True or False – A biome is made of many bioshperes.

52. How is energy lost in food webs?