Mid Year Review

1. Mid Year Review The following presentation will help you to prepare for our midyear. Viewing this presentation will help you study in the form of flashcards, just like we did in class. Each question is marked with a and each answer is marked with a . As you read each question, the answer will follow, quiz yourself to study!

2. What causes the phases of the moon?

3. The relative positions of the moon, Earth and the sun

4. What happens during a total solar eclipse?

5. The moon completely covers the sun

6. Why do we always see the same side of the moon from earth?

7. Because its period of rotation equal its period of revolution

8. Why don’t solar and lunar eclipses occur every month?

9. Because the moon’s orbit is tilted

10. What causes the seasons we experience on earth?

11. The tilt of earth on its axis causes indirect (winter) and direct (summer) rays to hit earth’s surface

12. Describe the difference between the revolution and rotation of the earth.

13. The revolution of earth is its movement around the sun and the Earth’s rotation is the spinning of Earth on its own axis

14. Explain why it takes Saturn longer to revolve around the sun that it takes Earth.

15. Saturn has a longer period of revolution than Earth because it is farther away from the sun.

16. Why were ratios important to Mendel’s work?

17. Mendel was able to make predictions about the phenotype of offspring using ratios

18. Each parent gives one set of these to the offspring

19. chromosomes

20. A plant with two dominant or two recessive alleles is said to be ____.

21. homozygous

22. How are sex cells different from other human cells?

23. Sex cells only have 23 chromosomes while other human cells have 46 chromosomes.

24. Why do sex linked disorders occur more often in males?

25. Because males have one Y and one X chromosome while females have two X chromosomes.

26. Through which process do cells divide in asexual reproduction?

27. Mitosis

28. What type of diagram is used to trace a trait through generations of a family?

29. Pedigree

30. What is a feature that has different forms in a population?

31. Trait

32. How are offspring that are difference from both parents produced?

33. Sexual reproduction

34. What are the five functions of the skeletal system?

35. 1. Structure2. Protection3. Store fat and minerals4. Produce blood in marrow5. Movement

36. Describe the function of the three types of muscle

37. Skeletal muscle – movementCardiac muscle – pump blood through the bodySmooth muscle - digestion

38. What material within bones makes blood cells?

39. Marrow

40. Which joint allows you to move your arm around freely in all directions?

41. Ball and Socket

42. How many bones does the average adult human skeleton have?

43. 206

44. What are you doing when your diaphragm and rib muscles contract, and air enters the space created inside your chest cavity?

45. inhaling

46. Which muscle contracts to begin the process of inhaling?

47. diaphragm

48. What does the exchange between alveoli and capillaries allow?

49. This exchange allows carbon dioxide to be exhaled and oxygen to be picked up by the blood.

50. What is the pharynx also called?