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Chapter 1 - Science of Biology

Biology is all about the living things that are found on planet Earth.   There are major themes that connect the ideas that we will explore in this course.

  1. The hierarchy of organization of living things (from atoms to whole organisms to ecosystems) results in new properties that emerge from the interactions of the parts.
  2. Cells are the structural and functional units of life.
  3. The structures of living things are correlated to their functions at all levels of biological organization.
  4. Organisms are open systems that interact with their environments, sharing nutrients and energy.
  5. The continuity of life depends on the heritable Information stored in DNA.
  6. The living world is characterized by great diversity, but there is also much unity among living things.
  7. Evolutionary theory offers an explanation for the great diversity of life on Earth.
  8. Life's chemistry must be regulated to maintain homeostasis.
  9. Studying biology involves observation, testing hypotheses as well as collecting and analyzing data.

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