Semester Exam Review

1. Semester Exam Review Let’s get ready for TRASH-ketball!

2. Levels of Organization • Put these in order from simple to complex • Tissues • Organs • Cells • Organisms • Organ Systems

3. Levels of Organization • Answer: 1.Cells 2.Tissues 3.Organs 4.Organ Systems 5.Organism

4. Selective Breeding • Dog breeders choose to breed dogs with desirable traits. • Which of the following would be a desirable trait that a breeder might try to duplicate: mean-ness Stinky-ness obedience nervousness

5. Selective Breeding • Answer: Obedience

6. Cells • Where would you expect to find a chromosome?

7. Cells • Answer: In the nucleus

8. Cells • Cells are the smallest living unit, therefore, nothing smaller than a cell can be considered a “living unit”. • True or False

9. Cells • Answer: True Nothing smaller than a cell is considered a living unit.

10. Adaptations • When an animal, like a bear, goes to “sleep” for the winter, or other animals become inactive from the heat or other environmental conditions… What do you call this inactive state?

11. Adaptations • Answer: Hibernation (Can happen in the summer or winter)

12. Body Systems • Which two body systems move oxygen around the body?

13. Body SystemsAnswer: Respiratory Circulatory -moves oxygen around the body -moves oxygen into the body

14. Body Systems • What would you call a group of organs, or body parts, working together to perform a specific function?

15. Body Systems • Answer An Organ System

16. Body Systems • Where does the process of digestion first begin?

17. Body Systems • Answer: In the mouth

18. Body Systems • Chemical digestion of food occurs first in what two organs?

19. Body Systems • Answer: In the mouth and stomach. (but other organs like the pancreas also contribute enzymes)

20. Body Systems: • Which organ is responsible for chemical digestion and nutrient absorption?

21. Body Systems • Answer: The Small Intestine

22. Body Systems • What is the main job of the large intestine?

23. Body Systems • Answer: Absorption of water

24. Body Systems • What is the main job of the digestive system?

25. Body Systems • Answer: Breaking down large molecules into smaller ones that our body can use.

26. Plant Reproduction • Exchanging pollen grains between two rose bushes of different colors would be an example of What type of reproduction?

27. Plant Reproduction • Answer: Sexual Reproduction

28. Homeostasis • Many of us have experienced illness. When you are said to have a “fever” your body has an elevated temperature. • What is the #1 benefit of running a “fever?”

29. Homeostasis • Answer: Slows the growth of the infection

30. Genetics • What is the smallest unit of genetic material?

31. Genetics • Answer: DNA is the smallest unit

32. Energy Transfer • What kind of energy do we get from food?

33. Energy Transfer • Answer: Chemical energy

34. Energy Transfer • What do we call heat energy?

35. Energy Transfer • Answer: Thermal energy Example: Food Heat = Chemical Thermal

36. Homeostasis • What is the benefit of sweating?

37. Homeostasis • Answer: It cools the body. Otherwise, our bodies would overheat.

38. Digestion • Carbohydrates break down into what simple sugar?

39. Digestion • Answer: Glucose

40. Levels of Organization • All living things are made of what?

41. Levels of Organization • Answer: All living things are made of cells.