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Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
Unit1 lesson1-Characteristics of Life
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Unit1 lesson1-Characteristics of Life

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  • 1. UNIT 1 CHARACTERISTICS OF LIFE CH2 - P. 27-31 CH5 - P. 87-102
  • 2. Unit 1 - Outline
    • Describe the characteristics of living things p. 27-31
    • Explain the role of homeostasis p. 31
    • Compare and contrast a prokaryotic cell with a eukaryotic cell p. 92
    • Compare plant and animal cells p. 87-98
    • State the roles of the cells organelles p. 89-97
    • Describe the relationship of the cell membrane and the cell wall to osmosis p. 97, 100-102
    • Compare sexual and asexual reproduction and the benefits of each p. 28
    • Demonstrate the use of the microscope, magnification, and lab drawings
  • 3. CHARACTERISTICS OF LIFE
    • ALL LIVING THINGS:
    • are made up of one or more units called cells
    • Reproduce
    • Grow & develop
    • Obtain & use energy
    • Respond to their living environment
  • 4. Living things are made up of cells
    • Unicellular = one celled organism
    • Multicellular = hundreds to trillions of cells working together
  • 5. Living things Reproduce
    • Asexual Reproduction: single organism reproduces without the aid of another
    • Sexual Reproduction: two cells from different individuals unite to produce the first cell of the new individual
  • 6. Living things Grow and Develop
    • Most living things go through a cycle of change called development
    • Then comes aging where reproduction stops
    • lastly inevitably comes death which is also a process that separates living from non-living things
  • 7. Living things obtain and use energy
    • Anabolism: synthesis of complex substances from simpler ones
      • Photosynthesis in plants
    • Catabolism: breakdown of complex substance to simple
      • digestion in animals
    • Metabolism: sum of anabolism and catabolism
  • 8. Living things Respond to their Environment
    • The ability of living things to respond to stimulus is called irritability
    • Homeostasis: organisms ability to maintain constant/stable conditions suitable for life
  • 9. SECTION 2-1 - SECTION REVIEW
    • P. 31 #1-4 - Due next class!
    • 1. Define the five characteristics of living things and give an example of evidence for each
    • 2. Compare and contrast sexual and asexual reproduction. What are the positives and negatives of both?
  • 10. SECTION 2-1 - SECTION REVIEW
    • 3. Define Metabolism in terms of catabolism and anabolism
    • 4. Think of a non-living thing that satisfies each of the 5 characteristics of life. Does any non-living thing have all the characteristics of life?

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