Organization Practice -- Hierarchical Outline

Ocean currents -- two types:

• helpful to life -- plants and animals thrive
  • bring
    • oxygen
    • food
  • disperse
    • eggs
    • young

• harmful to life
  • bring
    • increased temperature -- plants and animals are killed
      • decaying plants and animals foul shore
      • birds' food supply reduced
    • increase in rain and flooding