Numbers

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Across
  1. 2. the percentage of animal species we have discovered
  2. 3. the number of times larger the hypselosaurus was in comparison to it's eggs
  3. 5. the year in which the magazine "Scientific American" reported a "shower of frogs which darkened the air and covered the ground for a long distance"
  4. 7. the percentage of animals people have yet to discover
  5. 8. the number of dollars for the most expensive dinosaur out there, a tyrannosaurus who has been nicknamed "Sue"
Down
  1. 1. the estimated number of glaciers in the world
  2. 2. the number of butterfly species that have been recorded by scientists in one region of the Peruvian Amazon rain forest
  3. 3. the number of ridges & folds that make the pattern of your iris unique
  4. 4. the length of the Nile River in miles
  5. 6. the estimated years of the tyrannosaurus' average lifespan
  6. 7. the number of mushroom species that glow in the dark