Bio1  char of life and themes
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Bio1  char of life and themes Bio1 char of life and themes Presentation Transcript

  • BIOLOGY as the study of LIFE
    • WHAT IS BIOLOGY?
  • What are the CHARACTERISTICS OF LIFE
    • Cell
    • Genetic material
    • Energy use
    • Homeostasis
    • Growth and development
    • Reproduction
    • Response to environment
    • Evolution
  •  
  • CELLS
    • All living things are composed of one or more cells
      • Except the virus, why?
  • ENERGY USE
    • All organisms use energy
    • The creation and use of energy is called metabolism
      • Anabolism,
      • catabolism
  •  
  • HOMEOSTASIS
    • Ability to maintain a stable internal environment to remain alive
      • Give examples that should be maintained to be alive.
  • GROWTH
    • Growth and change is present in organisms and these lead to their development
  •  
  • REPRODUCTION
    • The mechanism of organisms to maintain the proliferation of their species
      • Asexual
      • sexual
  •  
  • Genetic Material
    • All living things are made up of a kind of genetic material
  • Response to stimuli
    • Living organisms tend to react to certain factors that originate from their environment
      • Tropism- movement towards/away w/o complete motility
      • Taxis- movement towards/away with complete motility
      • Kinesis- non-directional response to stimuli
  •  
  • Evolution
    • The driver of speciation
    • Is an emergent property of population
  • THEMES OF BIOLOGY
    • Emergent properties
    • The cell
    • Heritable information
    • Structure to function relationship
    • Interaction with the Environment
    • Regulation (homeostasis)
    • Unity and diversity
    • Scientific inquiry
    • Science, Technology and Society
  • Emergent Property
    • Recall: HBO
  •  
  • Structure to function relationship
    • The role of a particular part or structure is determined through its form
      • Structure fits the function
      • Plays a role in determining the role of an organism in the environment
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  • Unity and diversity
    • Diversity is the sum of all the variety of all organisms in the biosphere
    • The varied organisms play a role (niche) in the stabilization of the whole system
  • Scientific Inquiry and Sci, Tech and Society
    • The scientific method is a tool in creating answers to the problems inquired by man in their environment