Bio Organization


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A tutorial on 10 levels of biological organization

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Bio Organization

  1. 1. Biological Organization An exploration meeting Michigan grade level content expectations Next
  2. 2. Introduction <ul><li>There are many pieces of our biological world, from very big to very small. In order to compare and contrast these pieces, they can be organized into different categories or levels ( Campbell, Reece ). This tutorial will cover 10 levels in decreasing size, from biosphere to molecules. </li></ul>A video introduction to biological organization can be found here Back / Next
  3. 3. Presentation Design <ul><li>The following slide has a menu containing the 10 levels of organization. This slide will be linked to throughout the presentation </li></ul><ul><li>Each slide about a specific level will also have a link to a western Michigan example, using an Oak tree as the individual organism </li></ul>Back / Menu / Next
  4. 4. <ul><li>The Biosphere </li></ul><ul><li>Ecosystems </li></ul><ul><li>Communities </li></ul><ul><li>Populations </li></ul><ul><li>Organisms </li></ul><ul><li>Organ & Organ Systems </li></ul><ul><li>Tissues </li></ul><ul><li>Cells </li></ul><ul><li>Organelles </li></ul><ul><li>Molecules & Atoms </li></ul>Back / Next
  5. 5. 1. The Biosphere <ul><li>Consists of all the environments that have life. This includes: </li></ul><ul><li>Most regions of land </li></ul><ul><li>Most regions of water </li></ul><ul><li>Atmosphere to an altitude of few miles </li></ul>Back / Menu / Next Example
  6. 6. 2. Ecosystems <ul><li>Contains all of the living things in a specific area and all of the nonliving things with which living things interact. These include: </li></ul><ul><ul><ul><li>Soil </li></ul></ul></ul><ul><ul><ul><li>Water </li></ul></ul></ul><ul><ul><ul><li>Atmospheric Gases </li></ul></ul></ul><ul><ul><ul><li>Light </li></ul></ul></ul>Back / Menu / Next Example
  7. 7. 3. Communities <ul><li>All of the living beings that live within an ecosystem. Each form of life is called a species. </li></ul>Back / Menu / Next Example
  8. 8. 4. Populations <ul><li>All of the individuals of a species that live within a specific area. </li></ul>Back / Menu / Next Example
  9. 9. 5. Organisms <ul><li>Each individual living being is called an organism. </li></ul>Back / Menu / Next Example
  10. 10. 6. Organ and Organ Systems <ul><li>A body part that is a combination of at least two tissues. Organs exist to carry out specific functions in the body. </li></ul>Back / Menu / Next Example
  11. 11. 7. Tissues <ul><li>This is the first level that requires a microscope to see. Tissue is a group of cells and substructure to an organ. Allows multiple dissimilar cells to carry out their function. </li></ul>Back / Menu / Next Example
  12. 12. 8. Cells <ul><li>The fundamental unit of life’s structure and function. Some organisms consist of a singular cell, while the human body contains trillions of specialized cells. </li></ul>Back / Menu / Next Example
  13. 13. 9. Organelles <ul><li>The components of cells that aid in the performance of functions. A more powerful tool is needed to view organelles, this tool is an electron microscope . </li></ul>Back / Menu / Next Example
  14. 14. 10. Molecules & Atoms <ul><li>Molecules are comprised of two or more atoms, the most basic unit of matter. </li></ul>Back / Menu Example
  15. 15. The Earth <ul><li>Our Earth is the only known biosphere, as it is the only planet that can sustain life. </li></ul>Back
  16. 16. Deciduous Forest <ul><li>This is an example of an ecosystem common in western Michigan. </li></ul>Back
  17. 17. Forest Community <ul><li>In western Michigan, this includes all trees, undergrowth, animals, insects, and decomposers that are found within the forest </li></ul>Back
  18. 18. Population of Oak Trees Back
  19. 19. Individual Oak Tree Back
  20. 20. Oak Leaf Back
  21. 21. Epidermis Tissue <ul><li>The “skin” of the leaf contains pores that allow the interchange of carbon dioxide and oxygen facilitating photosynthesis. </li></ul>Back
  22. 22. Individual Plant Cell Back
  23. 23. Chroloplast <ul><li>These are the organelles responsible for photosynthesis </li></ul>Back
  24. 24. Chlorophyll Molecule Back
  25. 25. Michigan Benchmarks <ul><li>Ecosystems </li></ul><ul><li>K-7 Standard L.EC: Develop an understanding of the </li></ul><ul><li>interdependence of the variety of populations, communities </li></ul><ul><li>and ecosystems, including those in the Great Lakes region. </li></ul><ul><li>Develop an understanding of different types of interdependence </li></ul><ul><li>and that biotic (living) and abiotic (non-living) factors affect the </li></ul><ul><li>balance of an ecosystem. Understand that all organisms cause </li></ul><ul><li>changes, some detrimental and others beneficial, in the </li></ul><ul><li>environment where they live. </li></ul><ul><li>L.EC.M.1 Interactions of Organisms- Organisms of </li></ul><ul><li>one species form a population. Populations of </li></ul><ul><li>different organisms interact and form communities. Living </li></ul><ul><li>communities and nonliving factors that interact with them </li></ul><ul><li>form ecosystems. </li></ul><ul><li>L.EC.06.11 Identify and describe examples of populations, </li></ul><ul><li>communities, and ecosystems including the Great </li></ul><ul><li>Lakes region. * </li></ul><ul><li> </li></ul>Back
  26. 26. References <ul><li>Campbell, Neil, and Jane Reece. Biology . 8th ed. San Francisco: Pearson, 2008. 4-5. </li></ul><ul><li>Mallery, Charles. &quot;Levels of Biological Organization.&quot; 27 Feb. 2008. 26 July 2009 <>. </li></ul><ul><li>All images courtesy </li></ul>Intro / Menu