n
nn
n
n
n
n
nOrnthe tooth of a saber-tooth tiger.
n
n
n
nItnmight be the hard shell of a clam, or it might be (if you’re really,nreally lucky) the impression of a soft organism such as a jellyfish.
n
n
n
n
n
n
n
n
n
n
n
n
n
n
nAnfossil might be an insect petrified in amber, a log petrified innstone, or footsteps of the ancestors of humans petrified in shale.
nn
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
nAnyntrace of ancient organisms is considered a fossil, and people havenfound billions and billions of them, representing hundreds ofnthousands of different species. All these fossils, together, make ankind of textbook showing the way in which many different creaturesnhave changed over the millennia. This change over time is what wencall evolution.
n
n
n
n
n
n
n
nChecknout some fossils today. You can enjoy looking at the real deal atnmost natural history museums, most rock shops and some jewelrynstores, and even some parks and recreation areas such as DinosaurnNational Monument or Fossil Butte National Monument. Check out yournlocal treasures (I know we Southern Californians have a fossil dignfor kids at Jurupa Mountains Discovery Center, in Riverside, and alsonat Ralph B. Clark Regional Park, in Buena Park!).
n
n
n
n
n
n
n
n
n
- n
-
n
-
nthen official National Fossil Day website, and n
n
-
n
n
n
n
n
n
n
n
n
n
n
n
n
nAlsonon this date:
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
n
nMulligan Day
nn
n
n
n
n
n
n
n
n
n
n
n
nHagfish Day
n
n
n
n
n
n
n
n
n
n
