1. Cycles
Symbiosis
Energy
Ecology
Life Habits
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2. Is released to the abiotic parts of the biosphere from the processes of death and decay by bacteria

3. What is Nitrogen?

4. From the atmosphere, it enters the biotic parts of the biosphere through photosynthesis

5. What is Carbon Dioxide?

6. Consists of evaporation, precipitation, transpiration, runoff, and respiration

7. What is the Water Cycle?

8. Is released into the atmosphere over time out of rocks

9. What is Phosphorus?

10. Is an atmospheric gas fixed by leguminous plants in order that it can be used by the plant

11. What is Nitrogen?

12. A relationship between humans and birds where the humans follow birds to wild beehives, remove the honey and the human gets honey and the bird eats honey and bees

13. What is Mutualism?

14. The relationship between cats and mice

15. What is Predator-Prey?

16. The type of symbiosis that a flea is involved in

17. What is Parasitism?

18. Relationship between organisms in which both organism benefits

19. What is Mutualism?

20. Relationship between organisms in which one organism benefits at the expense of another

21. What is Parasitism?

22. The total number of energy units lost if the grass starts with 10,000 units of energy and goes from grass to mouse to cat to coyote

23. What is 9990?

24. The step in the passage of energy and matter through an ecosystem

25. What is the Trophic Level?

26. The type of organizational level that is a fungus growing on a log

27. What is a Decomposer?

28. Through this, water, carbon, and nitrogen are released back into the atmosphere

29. What is decomposition?

30. Obtains energy and nutrients from autotrophs

31. What is a Heterotroph?

32. The level in which several species interact among one another and with the abiotic parts of the environment

33. What is an Ecosystem?

34. The level in which several species in an area interact

35. What is a Community?

36. The biological organization of a group of killer whales

37. What is a Population?

38. The type of ecosystem in which a pond or stream supports life forms such as fish, water plants, cattails, alligators, frogs, dragonflies

39. What is aquatic?

40. A simple model for showing how matter and energy move through an ecosystem

41. What is the food chain?

42. The sea stars living in either shallow tidal pools, while others live in the deepest parts of the ocean

43. What is the sea star’s Habitat?

44. Cougars eating weakened or diseased animals

45. What is a cougar’s Niche?

46. The type of factor in a pond ecosystem that include ducks, mosquitoes, pond plants, and frogs

47. What is Biotic?

48. The layer of Earth that supports life

49. What is the Biosphere?

50. The place where an organism spends its life

51. What is a Habitat?