8.E.2.1 - Why Study Fossils? (Part2)

Why would a scientist find seashells and crab fossils in a desert?

The fossil record is the number of all of the fossils that have been found so far on earth.

The ________________________________ is the number of fossils that have been found in the world by scientists.

A geologist uncovered a fossil while digging in the side of a hill. He hypothesized that it was MOST likely from the end of the Paleozoic era or the beginning of the Mesozoic era. How old would the fossil have to be dated in order to support his hypothesis?

Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle rock layer of the cliff. Which could best be concluded from this evidence?

Which statement best describes the Law of Superposition?

A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones?

Scientists have identified four sedimentary rock layers from an archaeological dig as shown above. Which is most likely the oldest sedimentary rock layer?

Which is a process that allows scientists to compare rock layers with others in a sequence to determine their age?

If a metamorphic rock contains an intrusion of igneous rock, which rock is the oldest?