Earth's History Standard 1,2,& 3.

Which era ended with mass extinction of the dinosaurs ?

The formation of the super continent of Pangaea was a geologic event in which era?

What is the most likely cause of the extinction of dinosaurs?

Which is the correct order of eras from earliest to most recent?

What event marks the end of each geologic era?

Ferns, cone-bearing plants, and mosses are all plants of the _______ era.

Precambrian time consists of

Diverse life-forms, clues to past climate, & evidence of extinctions can all be found in

Which geologic time era grows a little larger each day?

Which is the correct order of time units from smallest to largest?

Which era did ice ages cause the climate to be cooler as ice sheets & glaciers covered Earth?

Mass extinction of dinosaurs happened at the end of the Mesozoic Era due to 

Body of prehistoric animal with bones, muscle, skin, and hair might be preserved in

When did geologic time scale begin?

What is the best statement of law of superposition?

During the Mesozoic era, climate changes occurred due to plate tectonics & the movement of___.

Which part of an ancient reptile would you expect to see in a rock fossil?

Things that lived in the Paleozoic era include

What protects the planet from many of the meteors that enter it?

Which best describes how Earth changes over time?

Which label represents the largest amount of time?

By studying layers of sedimentary rock, scientist determine the

Rock fossils form in

In order to form a cast fossil, minerals must fill a 

Which fossils is the youngest?

List the layers in order from oldest to youngest

How many members of a species remain when a mass extinction occurs?

What is the difference between a mold fossil & cast fossil?

The first period of the Paleozoic Era is the

The earliest living things lived

Precambrian time refers to 

Fossils are traces, remains, or evidence of

Age of an event or object compared with other events of objects is called its

An index fossil

Which cause of extinction is natural?

Humans first appeared 

The oldest layer in an undisturbed sedimentary bed is usually

Reptiles were dominant animals of what era?

Further splitting/moving of continents to current positions is a geologic event of which era?

The break up of Pangaea was a geologic event of which era?

Which layer of sedimentary rock is the oldest?

What would be the best example of an impact catastrophe?

How do scientists know what dinosaurs looked like?

By studying rocks & fossils, Scientists can infer

Some extinctions have a positive outcome.