Geological Time

Match it! Select the correct answer from the pull down...Good luck!

Many ancient fossils from the Precambiran era are preserved in a hard, dense chemical sedimentary rock called

_________________ were the dominant plants of the Mesozoic era

List the three types of geological unconformities

Which is a NOT a characteristic of an index fossil

The break up of the supercontinent ___________ occured during the Mesozoic era

During the Cenozoic era __________ replaced the gymnosperms as the dominant land plants

The _____________________ is the era of current time

What conditions are important in determining whether an organism will be preserved as a fossil