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Biology 4

Biology 4. Biology 4. Biophilia. What is Life?. Properties of Life. Reproduction. Order. Growth and Development. Use Energy. Response to the Environment. Homeostasis. Evolutionary Adaptations. Smallest Unit of Life. Cell or Virus????. Prokaryotic Cells DNA and Ribosomes No nucleus

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Biology 4

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  1. Biology 4

  2. Biology 4 • Biophilia

  3. What is Life?

  4. Properties of Life

  5. Reproduction

  6. Order

  7. Growth and Development

  8. Use Energy

  9. Response to the Environment

  10. Homeostasis

  11. Evolutionary Adaptations

  12. Smallest Unit of Life • Cell or Virus????

  13. Prokaryotic Cells DNA and Ribosomes No nucleus No membrane bound Organelles Eukaryotic Cells DNA and Ribosomes Nucleus Membrane bound Organelles Smallest Unit of Life – The Cell

  14. Emergent Properties • Novel properties emerge that are not present at the level below • Reductionism

  15. Unity and Diversity

  16. Biology Hierarchy

  17. Subatomic Particles Atoms Molecules Organelles Cells Tissues Organs Organ Systems Organisms Populations Communities Ecosystems Biomes Biosphere Biology Hierarchy

  18. Biology Hierarchy • K • P • C • O • F • G • S

  19. Biology Hierarchy • Kingdom • Phylum • Class • Order • Family • Genus • Species

  20. Biology Hierarchy • Kingdom - Animalia • Phylum • Class • Order • Family • Genus • Species

  21. Biology Hierarchy • Kingdom - Animalia • Phylum - Chordata • Class • Order • Family • Genus • Species

  22. Biology Hierarchy • Kingdom - Animalia • Phylum - Chordata • Class - Aves • Order • Family • Genus • Species

  23. Biology Hierarchy • Kingdom - Animalia • Phylum - Chordata • Class - Aves • Order - Falconiformes • Family • Genus • Species

  24. Biology Hierarchy • Kingdom - Animalia • Phylum - Chordata • Class - Aves • Order - Falconiformes • Family - Accipitridae • Genus • Species

  25. Biology Hierarchy • Kingdom - Animalia • Phylum - Chordata • Class - Aves • Order - Falconiformes • Family - Accipitridae • Genus - Haliaeetus • Species

  26. Biology Hierarchy • Kingdom - Animalia • Phylum - Chordata • Class - Aves • Order - Falconiformes • Family - Accipitridae • Genus - Haliaeetus • Species - leucocephalus

  27. Biology Hierarchy • Kingdom - Animalia • Phylum - Chordata • Class - Aves • Order - Falconiformes • Family - Accipitridae • Genus - Haliaeetus • Species - leucocephalus

  28. Biology Hierarchy • Domain • Kingdom • Phylum • Class • Order • Family • Genus • Species

  29. Domains Domain Archaea

  30. Domain: Bacteria • Prokaryotic • Cell Walls - Peptidoglycan • Most Bacteria

  31. Domain: Archaea • Prokaryotic • Extreme Conditions • Make DNA and Proteins like eukaryotic cells

  32. Eukaryotic Cells Domain: Eukarya

  33. Usually Unicellular Some have Cell Walls of Cellulose Kingdom: Protista

  34. Multicellular Cell Walls of Chitin Decomposers Kingdom: Fungi

  35. Multicellular Cell Walls of Cellulose Autotrophs Kingdom: Plantae

  36. Multicellular No Cell Walls Heterotrophs Kingdom: Animalia

  37. What is Science? • Science = To Know • Science is a process • Scientific Method

  38. What is Science? • Science = To Know • Science is a process • Scientific Method

  39. Scientific Method • Observation • Senses / Lit search • Hypothesis • Testable and Repeatable • Null hypothesis – No significant difference • Alternative hypothesis – significant difference • Experiment • Sample Size = 30 • Control, change one variable • Threshold criterion (0.05) • Analysis • Quantitative (Statistical testing) • Conclusion

  40. Are they the same? • Hypothesis • Theory • Law

  41. Probability in Science • Science eliminates possibilities

  42. Probability in Science • Do the colors make them harder to see? • Is there a benefit looking like a poisonous species?

  43. Probability in Science • Science eliminates possibilities

  44. Probability in Science • Science eliminates possibilities

  45. Evolution

  46. Evolution • Change over time

  47. Why isn’t Creationism taught in most science Classes?

  48. Themes • The Cell • Heritable Info • Emergent Properties • Regulation • Interaction with the Environment

  49. Themes • Energy and Life • Unity and Diversity • Structure and Function • Scientific Inquiry • Science, Technology, and Society • Evolution

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