QUIZ ERAS GEOLOGICAS Y FOSILES

When did this creature live?

• Cenozoic Era

• Mesozoic Era

• Paleozoic Era

• Precambrian

The earth is ______________of years old

• Hundreds

• Millions

• Billions

• Trillions

Mammals are a dominant group in which era?

• Cenozoic

• Mesozoic

• Paleozoic

• Cambrianozoic

What type of event usually marks the end of an Era

• A Mass Extinction

• The passing of 250 million years

• An earthquake

• A Volcanic Eruption

What era did trilobites, fishes, and other marine organisms dominate?

• Precambrian

• Paleozoic

• Mesozoic

• Cenozoic

The Law of Superposition states that in undisturbed rock layer

• the older layers of rock are at the bottom

• the older layer of rock are at the top

• the younger layer of rock is at the bottom

• the younger layer of rock is in the middle

What is a fossil?

• dominant form of life

• evidence of prehistoric life

• life found on other planets

During what Era do we currently live?

• Cenozoic

• Mesozoic

• Paleozoic

• Precambrian

Fossils are commonly preserved in what type of rock?

• Igneous

• Metamorphic

• Sedimentary

• Punk

Which of these choices is a trace fossil?

• Animal tracks

• Shells

• bones

• insect in amber