Fossils and Geologic Time - Dawkins

The geologic time scale is ---

• a record of historically significant geologists.
• the known history of the Earth and its rocks and fossils.
• some great music that geologists listen enjoy.
• a scale for referencing animal extinctions.

Paleontologists and geologists believe the Earth is ---

• 2021 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old

Geologic time has ended.

• True
• False

Scientists believe that the largest extinction event took place in the --- era.

• Precambrian
• Paleozoic
• Mesozoic
• Cenozoic

What is the name given to the single land mass that existed millions of years ago?

• Unicontinentia
• Pantopia
• Tectonica
• Pangea

Fossils are ---

• the remains or traces of ancient life that have been preserved by artificial processes
• the remains or traces of ancient life that have been preserved by natural processes
• the remains or traces of dinosaurs that lived in prehistoric times
• the imprints or footprints of prehistoric wildlife

In order to form a fossil, most organisms must be buried in ---

• rocks
• volcanic lava
• shells
• sediments

Fossils are most commonly found in what type of rock?

• igneous
• metamorphic
• sedimentary
• granite

Which process refers to the bones of organisms being turned into stone?

• imprintification
• petrification
• modling
• carbon fossilization

Molds form when ---

• an organism decays inside a rock
• an organism leaves a footprint or other evidence pressed into a rock
• an organism's bones are preserved in rock
• none of the above