2. What is Science?

3. Note: not part of notes What are the limits to science? What are the limits to science?

4. Aliens????

7. Bigfoot body found????

11. What is Science? Science is an organized way of using evidence to learn about the natural world. Science is an organized way of using evidence to learn about the natural world.

12. The goal of science is to investigate and understand nature. Once you understand nature, you can make predictions about nature. The goal of science is to investigate and understand nature. Once you understand nature, you can make predictions about nature.

13. What types of things can you predict?

14. Weather (Katrina), Agriculture, environmental problems, etc View pastorrobcasey's mapTaken in (See more photos here)more photos here

17. Acid Rain

18. Biology: is the study of living things Biology: is the study of living things Ex: mammals, fish, bacteria, insects, viruses??? Ex: mammals, fish, bacteria, insects, viruses???

19. Biology involves a search for solutions to medical problems What are some problems? What are some problems?

20. Examples? West Nile, AIDS, Cancer, Clean water, endangered species, wildlife management. Examples? West Nile, AIDS, Cancer, Clean water, endangered species, wildlife management.

21. Arthritis

22. Allergies

23. Gangrene

24. When will you use biology to make personal decisions? Exercise, food/diet, drugs, alcohol, problem solving skills Exercise, food/diet, drugs, alcohol, problem solving skills

25. How does a theory develop? How does a theory develop?

26. As data from numerous experiments builds up, a certain hypothesis may become so well supported that scientists consider it to be a theory. As data from numerous experiments builds up, a certain hypothesis may become so well supported that scientists consider it to be a theory. A theory is supported by a ton of evidence. But it is not considered to be absolutely true. A theory is supported by a ton of evidence. But it is not considered to be absolutely true. Ex: theory of plate tectonics, theory of evolution Ex: theory of plate tectonics, theory of evolution

29. Theory of Evolution

30. Characteristics of Living Things 8 characteristics must be met in order for something to be “living” 8 characteristics must be met in order for something to be “living” Try to brainstorm a few Try to brainstorm a few

31. Characteristics of Living Things 1. All living organisms are made of cells. 1. All living organisms are made of cells. -A cell is the basic unit of life -A cell is the basic unit of life

32. Fill out the Pyramid Organism Organ Systems Organs Tissue Cells

33. Prokaryotes vs eukaryotes

34. Reproduction 2. All living organisms must reproduce 2. All living organisms must reproduce -All living organisms must reproduce sexually or asexually. -All living organisms must reproduce sexually or asexually. a. Life would come to an end without reproduction a. Life would come to an end without reproduction

35. Reproduction

36. DNA 3. All living organisms have a genetic code (DNA) 3. All living organisms have a genetic code (DNA) -There is a reason why we look like our parents. DNA is a molecule that gets passed down to the next generation. -There is a reason why we look like our parents. DNA is a molecule that gets passed down to the next generation.

37. Genetics

38. DNA

39. Life Cycle 4. All living organisms must grow 4. All living organisms must grow -All living organisms go through a life cycle. -All living organisms go through a life cycle. Humans start off as sperm/egg, embryo, zygote, fetus, infant, teenager, etc… Humans start off as sperm/egg, embryo, zygote, fetus, infant, teenager, etc…

40. All living things must grow

41. Energy 5. All living organisms need energy 5. All living organisms need energy -Organisms need energy to grow, develop, and reproduce. How do you get energy? -Organisms need energy to grow, develop, and reproduce. How do you get energy? Humans= eating, plants= sun, fungus=decomposing Humans= eating, plants= sun, fungus=decomposing

42. Obtain Energy

43. 395 pound sumo wrestler

44. Respond to Environment 6. All living organisms must respond to their environments 6. All living organisms must respond to their environments -Not a lot of organisms can survive a winter. What do they do? -Not a lot of organisms can survive a winter. What do they do? a. Hibernate, migrate a. Hibernate, migrate

45. Respond to Environment

47. Ruby-throated Hummingbird

48. Homeostasis 7. All living organisms must maintain an internal balance 7. All living organisms must maintain an internal balance -Homeostasis: is the process in which organisms maintain their internal balance -Homeostasis: is the process in which organisms maintain their internal balance If we eat, we have to excrete (removal of waste) If we eat, we have to excrete (removal of waste) Plants take in CO2 and give off O2 Plants take in CO2 and give off O2

49. Homeostasis

50. Evolution 8. All living organisms change over time 8. All living organisms change over time -This change is known as evolution -This change is known as evolution

51. Change over time