Crossword Puzzle

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Across
  1. 3. Gives scientist a standard way to refer to species and organize the diversity of living things.
  2. 5. The first part of a two-part scientific name given by the binomial nomenclature.
  3. 7. First part is genus and the second part is species descriptor.
  4. 8. There are more of these in you mouth than there are people that have ever lived.
Down
  1. 1. Known for their ability to live in extreme environments such as deep sea vents, hot geysers, antartic waters, and salt lakes.
  2. 2. Can be shown as branching tree diagrams.
  3. 4. Made by figuring out which derived characters are shared by which species.
  4. 6. The most common method used to make evolutionary trees.