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CHAPTER ONE BIOLOGY AND YOU
THEMES OF BIOLOGY <ul><li>HOW DO WE KNOW AN ORGANISM IS ALIVE? </li></ul>
THEMES OF BIOLOGY <ul><li>CELL STRUCTURE AND FUNCTION </li></ul><ul><ul><li>SMALLEST UNIT OF LIFE </li></ul></ul><ul><ul><...
THEMES OF BIOLOGY <ul><li>REPRODUCTION </li></ul><ul><ul><li>ALL LIVING THINGS REPRODUCE </li></ul></ul><ul><ul><li>ESSENT...
THEMES OF BIOLOGY <ul><li>METABOLISM </li></ul><ul><ul><li>ALL THE CHEMICAL RXNS CARRIED OUT BY THE BODY </li></ul></ul><u...
THEMES OF BIOLOGY <ul><li>HOMEOSTASIS </li></ul><ul><ul><li>MAINTAINING STABLE INTERNAL CONDITIONS </li></ul></ul><ul><ul>...
THEMES OF BIOLOGY <ul><li>HEREDITY </li></ul><ul><ul><li>LIVING THINGS PASS ON THEIR TRAITS TO OFFSPRING </li></ul></ul><u...
THEMES OF BIOLOGY <ul><li>EVOLUTION </li></ul><ul><ul><li>THE CHANGE IN HERITABLE CHARACTERISTICS OVER TIME </li></ul></ul...
<ul><li>NATURAL SELECTION </li></ul><ul><ul><li>NATURE “SELECTS” INDIVIDUALS THAT HAVE TRAITS THAT BEST FIT THE ENVIRONMEN...
THEMES OF BIOLOGY <ul><li>INTERDEPENDENCE </li></ul><ul><ul><li>ORGANISMS IN A COMMUNITY DEPEND ON EACH OTHER AND THE NON-...
BIOLOGY IN YOUR WORLD <ul><li>HOW HAS SCIENCE IMPROVED OUR LIVES? </li></ul>
<ul><li>SAVING THE ENVIRONMENT </li></ul><ul><ul><li>Rainforests, Extinction, Recycling </li></ul></ul><ul><li>FOOD SUPPLY...
<ul><li>HUMAN GENOME PROJECT </li></ul><ul><ul><li>GENOME: Complete genetic material of an organism </li></ul></ul><ul><ul...
<ul><li>FIGHTING DISEASE </li></ul><ul><ul><li>AIDS VACCINE </li></ul></ul><ul><ul><li>CANCER TREATMENTS </li></ul></ul><u...
SCIENTIFIC PROCESSES <ul><li>SCIENTIFIC PUZZLES ARE SOLVED BY: </li></ul><ul><ul><li>MAKING OBSERVATIONS </li></ul></ul><u...
DSIGNING AND EXPERIMENT <ul><li>HYPOTHESIS </li></ul><ul><ul><li>AN EXPLANATION THAT CAN BE TESTED </li></ul></ul><ul><ul>...
<ul><li>CONTROL GROUP: RECEIVES NO EXPERIMENTAL TREATMENT (PLACEBO) </li></ul><ul><li>DEPENDENT VARIABLE: WHAT WE ARE MEAS...
<ul><li>EXPERIMENTS ARE REPEATED TO VALIDATE THE HYPOTHESIS </li></ul><ul><li>ONCE THE HYPOTHESIS HAS BEEN CONFIRMED NUMER...
<ul><li>THEORIES ARE WELL SUPPORTED BUT NOT ABSOLUTE </li></ul>
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Chap 1 Biology And You

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Transcript of "Chap 1 Biology And You"

  1. 1. CHAPTER ONE BIOLOGY AND YOU
  2. 2. THEMES OF BIOLOGY <ul><li>HOW DO WE KNOW AN ORGANISM IS ALIVE? </li></ul>
  3. 3. THEMES OF BIOLOGY <ul><li>CELL STRUCTURE AND FUNCTION </li></ul><ul><ul><li>SMALLEST UNIT OF LIFE </li></ul></ul><ul><ul><li>SINGLE AND MULTICELLULAR LIFE </li></ul></ul>
  4. 4. THEMES OF BIOLOGY <ul><li>REPRODUCTION </li></ul><ul><ul><li>ALL LIVING THINGS REPRODUCE </li></ul></ul><ul><ul><li>ESSENTIAL TO THE SURVIVAL OF THE SPECIES </li></ul></ul>
  5. 5. THEMES OF BIOLOGY <ul><li>METABOLISM </li></ul><ul><ul><li>ALL THE CHEMICAL RXNS CARRIED OUT BY THE BODY </li></ul></ul><ul><ul><li>CHEMICAL RXNS=ENERGY=LIFE PROCESSES </li></ul></ul>
  6. 6. THEMES OF BIOLOGY <ul><li>HOMEOSTASIS </li></ul><ul><ul><li>MAINTAINING STABLE INTERNAL CONDITIONS </li></ul></ul><ul><ul><li>CHILLS, SWEATING, FEVERS </li></ul></ul>
  7. 7. THEMES OF BIOLOGY <ul><li>HEREDITY </li></ul><ul><ul><li>LIVING THINGS PASS ON THEIR TRAITS TO OFFSPRING </li></ul></ul><ul><ul><li>LIVING THINGS HAVE GENES/DNA </li></ul></ul>
  8. 8. THEMES OF BIOLOGY <ul><li>EVOLUTION </li></ul><ul><ul><li>THE CHANGE IN HERITABLE CHARACTERISTICS OVER TIME </li></ul></ul><ul><ul><li>POPULTAIONS EVOLVE </li></ul></ul>
  9. 9. <ul><li>NATURAL SELECTION </li></ul><ul><ul><li>NATURE “SELECTS” INDIVIDUALS THAT HAVE TRAITS THAT BEST FIT THE ENVIRONMENTAL CONDITIONS </li></ul></ul><ul><ul><li>“ SURIVIAL OF THE FITTEST” </li></ul></ul>
  10. 10. THEMES OF BIOLOGY <ul><li>INTERDEPENDENCE </li></ul><ul><ul><li>ORGANISMS IN A COMMUNITY DEPEND ON EACH OTHER AND THE NON-LIVING FACTORS </li></ul></ul><ul><ul><ul><li>SUN, TEMP., WATER, MINERALS </li></ul></ul></ul>
  11. 11. BIOLOGY IN YOUR WORLD <ul><li>HOW HAS SCIENCE IMPROVED OUR LIVES? </li></ul>
  12. 12. <ul><li>SAVING THE ENVIRONMENT </li></ul><ul><ul><li>Rainforests, Extinction, Recycling </li></ul></ul><ul><li>FOOD SUPPLY </li></ul><ul><ul><li>Genetic engineering </li></ul></ul><ul><ul><ul><li>Herbicide resistance, vitamins </li></ul></ul></ul>
  13. 13. <ul><li>HUMAN GENOME PROJECT </li></ul><ul><ul><li>GENOME: Complete genetic material of an organism </li></ul></ul><ul><ul><li>Read Genes and Find Where Mistakes Have Been Made </li></ul></ul>
  14. 14. <ul><li>FIGHTING DISEASE </li></ul><ul><ul><li>AIDS VACCINE </li></ul></ul><ul><ul><li>CANCER TREATMENTS </li></ul></ul><ul><ul><li>EMERGING DISEASES </li></ul></ul><ul><ul><ul><li>WEST NILE, MAD COW </li></ul></ul></ul><ul><ul><li>GENE THERAPY </li></ul></ul><ul><ul><ul><li>REPLACING DEFECTIVE GENES WITH NORMAL ONES </li></ul></ul></ul><ul><ul><ul><li>CYSTIC FIBROSIS </li></ul></ul></ul>
  15. 15. SCIENTIFIC PROCESSES <ul><li>SCIENTIFIC PUZZLES ARE SOLVED BY: </li></ul><ul><ul><li>MAKING OBSERVATIONS </li></ul></ul><ul><ul><li>ASKING QUESTIONS </li></ul></ul><ul><ul><li>COLLECTING DATA </li></ul></ul><ul><ul><li>Ex. Rocky Mountain Amphibians </li></ul></ul>
  16. 16. DSIGNING AND EXPERIMENT <ul><li>HYPOTHESIS </li></ul><ul><ul><li>AN EXPLANATION THAT CAN BE TESTED </li></ul></ul><ul><ul><li>PREDICT WHAT WILL HAPPEN </li></ul></ul><ul><li>PLAN THE EXPERIMENT </li></ul>
  17. 17. <ul><li>CONTROL GROUP: RECEIVES NO EXPERIMENTAL TREATMENT (PLACEBO) </li></ul><ul><li>DEPENDENT VARIABLE: WHAT WE ARE MEASURING </li></ul><ul><li>INDEPENDENT VARIABLE: WHAT IS MANIPULATED IN THE EXPERIMENT </li></ul>
  18. 18. <ul><li>EXPERIMENTS ARE REPEATED TO VALIDATE THE HYPOTHESIS </li></ul><ul><li>ONCE THE HYPOTHESIS HAS BEEN CONFIRMED NUMEROUS TIMES IT MAY BECOME THEORY </li></ul>
  19. 19. <ul><li>THEORIES ARE WELL SUPPORTED BUT NOT ABSOLUTE </li></ul>
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