Because people kept finding their fossilized bones as well as complete animals frozen in the permafrost of Siberia. There aren’t any of those animals living now so they must be extinct.

Related Essays:

  1. Ice age 4
  2. What does the term Ice Age mean when it is capitalized
  3. What evidence is there around Auckland to show ice ages
  4. What types of rocks are worth money
  5. What is Continental drainage
  6. What is the name of the first ice age
  7. What does the term ice age when it is capitalized
  8. When did last ice age end
  9. What animals survived the ice age
  10. Who is Otak in Maroo

Leave a Reply

Your email address will not be published. Required fields are marked *