What is Geologic Time?

What are the largest time divisions in the geologic time scale?

• scale

• era

• Jurrasic

Is a fossil older or younger than another fossil found in a higher layer?

• older

• younger

The most recent era on the geologic time scale is ____________.

• Cenozoic

• Mesozioc

• Paeozoic

During what era did dinosaurs live?

• Cenozoic

• Mesozoic

• Paleozoic

During what era of geologic time are you living?

• Cenozoic

• Mesozoic

• Paleozoic

The age of Fossil B is older or younger that Fossil A.

• younger

• older

Fossil evidence shows that live first appeared _____________.

• 65 million years ago

• 4.5 billion years ago

• over 600 billion years ago

Organisms that are in Precambrian Era include

• seed plants, reptiles, insect

• dinosaurs, birds

• bacteria, algae

What is relative age?

• the largest division of geologic time

• a cousins age

• age of something compared to something else

The Jurassic period happened how many years ago?

• 65 million years

• 435 million years

• 180 million years