Introduction to biology

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Introduction to biology

  1. 1. Introduction to Biology<br />Ecology, Physiology, and Chemistry<br />
  2. 2. I. Levels of Biological Organization<br />A. Biosphere - All of the environments/ecosystems on earth that support life. <br />Example: The earth.<br />
  3. 3. I. Levels of Biological Organization<br />B. Ecosystem – Different living organisms and the non living things that they interact with. <br />Example: The Persian Gulf.<br />
  4. 4. I. Levels of Biological Organization<br />C. Community – Only the living organisms from the ecosystem. Different groups populations that interact with one another. <br />Example: All of the coral and fish of the Persian Gulf.<br />
  5. 5. I. Levels of Biological Organization<br />D. Population – A group of all of the same species. <br />Example: A School of Deadly stripped eel fish!<br />
  6. 6. I. Levels of Biological Organization<br />E. Organism – the individual living thing. <br />Example: The second most poisonous vertebrate in the World...<br />
  7. 7. I. Levels of Biological Organization<br />F. Organ System – A group of organs that work together in performing specific functions. <br />Example: The nervous system.<br />
  8. 8. I. Levels of Biological Organization<br />G. Organs – A structure consisting of several tissues adapted as a group to perform a specific function. <br />Example: The lungs<br />
  9. 9. I. Levels of Biological Organization<br />H. Tissues – a collection of cells, not necessarily identical, but from the same origin, that together carry out a specific function. <br />Example: Connective Tissue.<br />
  10. 10. I. Levels of Biological Organization<br />I. Cell – The smallest, most basic unit of Life. <br />Example: Nerve Cell<br />
  11. 11. I. Levels of Biological Organization<br />J. Organelle – Membrane bound structures that perform a specific function in a cell. <br />Example: Mitochondria<br />
  12. 12. I. Levels of Biological Organization<br />K. Molecule – A cluster of atoms held together by chemical bonds. <br />Example: H2O<br />
  13. 13. I. Levels of Biological Organization<br />L. Atom – the smallest, most basic, indivisible unit of matter. <br />Example: Hydrogen atom<br />
  14. 14. Ecological Pyramids <br />Pyramid of Numbers<br />Pyramid of Energy<br />Pyramid of Biomass<br />
  15. 15. Pyramid of Numbers<br />
  16. 16. Perch, Pike, Osprey<br />http://www.youtube.com/watch?v=Uiu8wIgdsPk<br />http://www.youtube.com/watch?v=5CEtxcOQwDY<br />
  17. 17. Food chains and Webs<br />https://www.etap.org/demo/biology_files/lesson6/instruction6tutor.html<br />

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