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Text File  |  1995-04-27  |  224b  |  5 lines
  1.   Animals
  2. There are about 3,000,000,000,000,000,000,000,000,000,000 different types of animals on Earth.  Animals can be put into two different groups:
  3. Vertebrates (animals with spines)
  4. Invertebrates (animals with no spine)
  5.