Characteristics of Living Things

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Characteristics of Living Things

  1. 1. Characteristics of Life An Introduction to Biology
  2. 2. What do you know about life? Agree or Disagree… <ul><li>All living things are made of cells. </li></ul><ul><li>An organism must move to be considered living. </li></ul><ul><li>All living things eventually die. </li></ul><ul><li>Plants are living things. </li></ul><ul><li>If a thing is dead, it was once alive. </li></ul><ul><li>All living things reproduce. </li></ul>
  3. 3. What do you know about life? Agree or Disagree… <ul><li>7. Cells are alive. </li></ul><ul><li>8. It is easy to determine if something is a living thing. </li></ul><ul><li>9. Bacteria and viruses are living things. </li></ul><ul><li>10. All living things must eat. </li></ul>
  4. 4. Feeding <ul><li>All living organisms need to take substances from their environment to obtain energy, to grow and to stay healthy. </li></ul><ul><li>What’s an example? </li></ul>
  5. 5. Movement <ul><li>All living organisms show internal movement and some have both internal and external. </li></ul><ul><li>All living organisms have internal movement, which means they can move substances from one part of their body to another. </li></ul><ul><li>What’s an example? </li></ul>
  6. 6. Breathing or Respiration <ul><li>All living things exchange gases with their environment. Animals take in oxygen and breathe out carbon dioxide. </li></ul><ul><li>What’s an example? </li></ul>
  7. 7. Excretion (Waste Removal) <ul><li>All living things need to remove waste from their bodies. </li></ul><ul><li>What’s an example? </li></ul>
  8. 8. Growth <ul><li>When living things feed they gain energy. Some of the energy is used in growth. </li></ul><ul><li>Living things become larger and more complicated as they grow. </li></ul><ul><li>What’s an example? </li></ul>
  9. 9. Sensitivity <ul><li>Living things react to changes around them. We react to touch, light, heat, cold and sound, as do other living things. </li></ul><ul><li>What’s an example? </li></ul>
  10. 10. Reproduction <ul><li>All living things produce young. </li></ul><ul><li>What’s an example? </li></ul>
  11. 11. In Biology… <ul><li>We will be studying the characteristics of life through 5 units: </li></ul><ul><ul><li>Cells and homeostasis </li></ul></ul><ul><ul><li>Energy, matter and organization </li></ul></ul><ul><ul><li>Genetics </li></ul></ul><ul><ul><li>Evolution </li></ul></ul><ul><ul><li>Ecology </li></ul></ul>
  12. 12. Apply Your Knowledge <ul><li>While looking under the microscope at a water sample from the Chesapeake Bay, you discover an unknown green thing. It is about the size of a quarter and resembles a piece of a sponge. How would you determine if it was alive? </li></ul>

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