Week 4 – Day 2

1. Week 4 – Day 2

2. OBJ 1 What question is trying to be answered?

3. OBJ 1 What question is trying to be answered? Does HEATING TIME affect the amount of mass that can be lifted

4. OBJ 1 A researcher wants to determine the average number of cave crickets that exit a certain cave in the first two hours after sunset. The best procedure for collecting precise data in this investigation is to

5. OBJ 1 A researcher wants to determine the average number of cave crickets that exit a certain cave in the first two hours after sunset. The best procedure for collecting precise data in this investigation is to COUNT crickets exiting the cave on several nights and calculate the AVERAGE value

6. OBJ 1 Why is this inaccurate?

7. OBJ 1 Why is this inaccurate? some light must enter a window in order for people to see out

8. Obj 2 • Which of the following shows an example of an open circulatory system?

9. Obj 2 • Which of the following shows an example of an open circulatory system?

10. Obj 2 • Which of the following shows an example of an open circulatory system?

11. OBJ 2 • In animal cells like the one shown above, which organelle is used for storing water?

12. OBJ 2 • In animal cells like the one shown above, which organelle is used for storing water? VACUOLE

13. OBJ 2 • In animal cells like the one shown above, which thing controls everything (is HQ the Headquarters)

14. OBJ 2 • In animal cells like the one shown above, which thing controls everything (is HQ the Headquarters) NUCLEUS

15. Obj 2 • Botanists cross a heterozygous (Pp) plant having purple flowers with a homozygous (pp) plant having white flowers. About what percentage of the offspring will have purple flowers?

16. Obj 2 • Botanists cross a heterozygous (Pp) plant having purple flowers with a homozygous (pp) plant having white flowers. About what percentage of the offspring will have purple flowers?

17. Obj 2 • Botanists cross a heterozygous (Pp) plant having purple flowers with a homozygous (pp) plant having white flowers. About what percentage of the offspring will have purple flowers?

18. Obj 2 • Botanists cross a heterozygous (Pp) plant having purple flowers with a homozygous (pp) plant having white flowers. About what percentage of the offspring will have purple flowers?

19. Obj 2 • Botanists cross a heterozygous (Pp) plant having purple flowers with a homozygous (pp) plant having white flowers. About what percentage of the offspring will have purple flowers? PURPLE FLOWERS= 50% WHITE FLOWERS= 50%

20. OBJ 2 The cells of animals release energy through the process of — A photosynthesis B respiration C DNA replication D protein synthesis

21. OBJ 2 The cells of animals release energy through the process of — A photosynthesis B respiration C DNA replication D protein synthesis

22. OBJ 2 Why will knowledge of the human genome enable scientists to better understand proteins involved in human diseases?

23. OBJ 2 Why will knowledge of the human genome enable scientists to better understand proteins involved in human diseases? DNA contains the info to make PROTEINS… KNOW PROTEINS MORE…..FIGURE OUT HOW THEY ARE INVOLVED IN DISEASES

24. OBJ 2 Why will knowledge of the human genome enable scientists to better understand proteins involved in human diseases?

25. OBJ 2 Fungi are different from plants in that fungi F secrete enzymes G decompose organic waste H contain DNA J have cell walls

26. OBJ 2 Fungi are different from plants in that fungi F secrete enzymes G decompose organic waste H contain DNA J have cell walls

27. OBJ 3 • The photograph above hows a virus attacking a human T cell (immune cell). Which disease could result if many T cells are destroyed in this manner?

28. OBJ 3 • The photograph above hows a virus attacking a human T cell (immune cell). Which disease could result if many T cells are destroyed in this manner? AIDS

29. OBJ 3 U is closest to= V is closet to = X is closest to =

30. OBJ 3 U is closest to= T V is closet to = X is closest to =

31. OBJ 3 U is closest to= T V is closet to = W X is closest to =

32. OBJ 3 U is closest to= T V is closet to = W X is closest to = W

33. Obj 3 Liana plants are woody vines that grow on some trees in rain forests. These climbing plants are most likely adapted for —

34. Obj 3 Liana plants are woody vines that grow on some trees in rain forests. These climbing plants are most likely adapted for — GROWING through layers of foliage to reach available sunlight

35. OBJ 3 • The diagram above shows a simplified food pyramid. The number of organisms is generally smaller at the top than at the bottom because organisms at the top usually —

36. OBJ 3 • The diagram above shows a simplified food pyramid. The number of organisms is generally smaller at the top than at the bottom because organisms at the top usually — REQUIRE MORE ENERGY

37. OBJ 3 Some members of the pumpkin family produce roots capable of storing large amounts of water. Some of these roots have a mass of about 30 kg. In which type of environment are these plants most likely found? F Aquatic G Dry H Cold J Humid

38. OBJ 3 Some members of the pumpkin family produce roots capable of storing large amounts of water. Some of these roots have a mass of about 30 kg. In which type of environment are these plants most likely found? F Aquatic G Dry H Cold J Humid

39. OBJ 3 • The birds eat the crickets the buffalos cause to fly up and the bison don’t bother the birds. What is the relationship?

40. OBJ 3 • The birds eat the crickets the buffalos cause to fly up and the bison don’t bother the birds. • COMMENSAL

41. OBJ 3 A hypothesis that two organisms from different species are related to each other is best supported by — F) the presence of homologous structures G) a similarity in diet H) the presence of nitrogenous bases J) a similarity in method of reproduction

42. OBJ 3 A hypothesis that two organisms from different species are related to each other is best supported by — F) the presence of homologous structures G) a similarity in diet H) the presence of nitrogenous bases J) a similarity in method of reproduction

43. OBJ 4 • What is a proper way to dispose of a solid produced during a chemical reaction?

44. OBJ 4 • What is a proper way to dispose of a solid produced during a chemical reaction? • PLACE THEM IN DESIGNATED containers

45. OBJ 4 • What 2 things do you know from this picture?

46. OBJ 4 • Which of the following conclusions is the best for the experiment shown above?

47. OBJ 4 What is a step in the digestive process that is a physical change? F) Water being absorbed in the large intestine G) Enzymes breaking down proteins into amino acids H) Saliva changing starches into sugars J) Insulin metabolizing simple sugars

48. OBJ 4 What is a step in the digestive process that is a physical change? F) Water being absorbed in the large intestine G) Enzymes breaking down proteins into amino acids H) Saliva changing starches into sugars J) Insulin metabolizing simple sugars

49. OBJ 4 Which of these steps in the digestive process is a physical change? F) Water being absorbed in the large intestine G) Enzymes breaking down proteins into amino acids H) Saliva changing starches into sugars J) Insulin metabolizing simple sugars

50. OBJ 4 A student added a small amount of sodium carbonate solution (Na2CO3) to a test tube containing calcium chloride (CaCl2) solution. A white solid immediately appeared. What conclusion can be made from this experiment?