What is Biology

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Question(s) of the Day

• What is Biology?
• What is Life?

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What is Biology?

• Biology The study of LIFE
• Bios means Life
• (e.g. Biography, Biosphere)
• Ology means Study of
• (e.g. Psychology, Astrology)

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Definition of Life?

• Qualities of Living Organisms (pgs. 8-10)
• Complex and Organized
• Grow and Reproduce (using DNA as instruction
  manual- passing on genes)
• Respond to Stimuli- Environmental Cues
• Need and Use Energy (Photosynthesis, Ingestion,
  or Absorption)

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Definition of Life?

• Qualities of Living Organisms
• ALL living things are related to all other past
  and present life on Earth Descendants of a
  common ancestor and creators of future
  generations
• Can ADAPT to surroundings- those more fit to
  survive live and reproduce another day

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THE SCOPE OF BIOLOGY

• Biology is the scientific study of life

• Life is structured on a size scale ranging from
  the molecular to the global

DNA Molecule
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Level of Biological Organization

• Biosphere
• Ecosystems
• Communities
• Populations
• Organisms

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Levels of Biological Organization

• Organs/Organ Systems
• Tissues
• Cells
• Organelles
• Molecules
• Atom

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