Name: _______________________ Period: ______

Midterm Exam ReviewUnit 1 Food Chains/Food Webs/Energy Pyramids:

Define the following terms:

1. Food Chain –

2. Autotroph –

3. Heterotroph –

4. Abiotic –

5. Biotic –

6. Food Web –

7. Energy pyramid –

8. Producer –

9. Secondary Consumer –

10. Tertiary Consumer –

11. Quaternary Consumer –

12. What is the percentage of energy that is passed on in an energy pyramid?

13. What is a trophic level?

14. Can an organism hold more than 1 trophic level in a food web? Why?

15. What is the primary energy source for ALL food chains/webs?

16. Draw an example of a food chain

17. Draw an example of a food web

Nitrogen Cycle:18. Draw the Nitrogen cycle –

19. Nitrogen is in the air in what form?

20. What is the role of decomposers in the nitrogen cycle?

Photosynthesis:

21. Define photosynthesis –

22. What is the formula?

23. Where does it take place (Organelle)?

24. What are the products? Reactants?Tropism:

Define the following terms:

25. Hydrotropism –

26. Thigmotropism –

27. Geotropism –

28. Phototropism –

29. Stimulus (Internal and External)

Unit 2Biomes:30. What is a biome?

31. What are the 3 characteristics we use to define biomes?1.2.3.

32. What is a microhabitat?

33. Define Biodiversity-

34. Which habitat has the most biodiversity? Which has the least?

Most- Least-

Catastrophic Events:

35. What is the cause of each of the following natural disasters?

Tornado-

Wildfire-

Tsunami-

Earthquake-

Volcano-

36. What are some effects of the following catastrophic events?

Hurricane-

Drought-

Tornado-

Wildfire-

37. What types of natural disasters could cause primary succession? Secondary succession?

Primary-

Secondary-Succession:

Define the following terms:

38. Primary Succession –

39. Secondary Succession –

40. Pioneer Species –

41. Climax Community –

Watershed:

42. What is a watershed?

43. What is Point Source Pollution?

44. What is Non-Point Source Pollution?

45. Label the parts below:

Unit 3Levels of organization/Cell Theory:

46. List the levels of organization.

47. Know the 3 parts of cell theory –

1.

2.

3.

Cells and Organelles:

48. Write the functions of the following organelles:

*Nucleus-

*Ribosomes-

*Endoplasmic Reticulum-

*Cell Wall-

*Chloroplast-

*Cell Membrane-

*Cytoplasm-

*Mitochondria-

*Vacuole-

49. Label the following organelles on the diagrams:Plant Cell: Nucleus, Ribosomes, ER, Cell Wall, Cell Membrane, Cytoplasm, Mitochondria, Vacuole, ChloroplastAnimal Cell: Nucleus, Ribosomes, ER, Cell Membrane, Cytoplasm, Mitochondria, Vacuole

Plant Cell Animal Cell

Unit 4

Homeostasis:

50. What are the 4 Themes of homeostasis?1.

2.3.

4.

51. Define Homeostasis-

Turgor Pressure and Osmosis:

Define the following terms:

52. Osmosis-

53. Turgor Pressure-

54. Hypertonic-

55. Hypotonic-

56. Isotonic-

57. Solute-

58. Solvent-

Cellular Respiration:

59. Define Cellular respiration –

60. What is the formula for cellular respiration?

61. Where does cellular respiration occur (organelle)?