Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

AB Ch 8

Fossils traces of things preserved in rock
Formation covered in sediment and decomposes, sediment pressed together
Cyanobacteria prokaryotes, sunlight to make food
Paleozoic age of fishes, life moved onto land, “ancient life”
Cenozoic age of mammals, current era
Mesozoic age of reptiles, dinosaurs, mammals started to form
Precambrian life began
Opposable thumbs grip, all primates
Front facing eyes
Primates binocular vision, and opposable thumbs
Hominids earliest fossils in Africa, homo erectus
Ozone layer protects earth from radiation
Mass extinctions sudden global climate change, mark divisions in geologic time, largest
Eras blocks of geologic time
Pangea supercontinent
Relative dating estimate age based on where it is found
Neanderthals lived at the same time as homo sapiens
Paleontologists scientists who study life before humans
Half life
Tectonic plates continents and oceans are on top of
Australopithecenes similar to apes, but bigger brains
Homo sapiens first to create sculpture and paintings
Scientists believe life came from simple chemicals
Created by: evroman