Geoscale/Fossils

How many years ago did the Earth form?

• about 4.5 billion years

• 100,000 years ago

• 1 million years ago

• 2000 years ago

Dinosaurs lived in this era

• Mesozoic

• Cenozoic

• Paleozoic

• Precambrian

Which order is correct?

• Precambrian, Mesozoic, Paleozoic, Cenozoic

• Paleozoic, Precambrian Mesozoic, Cenozoic

• Precambrian, Paleozoic, Mesozoic, Cenozoic

• Precambrian, Cenozoic Paleozoic, Mesozoic

Which era was the ice age?

• Precambrian

• 
  Cenozoic

• Paleozoic

• Mesozoic

Which of the following fossils do not reveal?

• The changes that took place on Earth over time

• The changes living things went through over time

• Fossils give clues to the diversity of living things over the history of Earth

• The way Earth was formed

Hollow space in the rock.

which shows the shape of the organism’s remains.

• Mold

• Cast

• Trace

• Tar

Formed when the hollow space formed by and organism is filled in with dirt and become solid

• Mold

• Cast

• Tar

• Amber

Which of the following is an example of a mold fossil?

• 
• 
• 
• 

Which of the following is an example of a cast fossil?

• 
• 
• 
• 

Eras are subdivided into _________.

• eons

• eras

• periods

• epochs