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Chap 1 Biology And You
 

Chap 1 Biology And You

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    Chap 1 Biology And You Chap 1 Biology And You Presentation Transcript

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