Paleontology Unit Test Review

Which of the following BEST explains how this fossil of the ancestor of a penguin was found in the desert?

• The climate of the area has become increasingly warmer
• The climate of Alaska has gotten colder

Fossils are...

• a bone
• the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
• types of remains
• things that tells us about past

A fossilized track is a...

• Rock
• Mold
• Trace Fossil
• Petrified Wood

What comes from trees and preserves insects and other small animals?

• Tar
• Ice
• Amber
• Carbon

The Earth is constantly changing.

• True
• False

The fossil record...

• Has gaps 
• Shows the history of life on earth
• Helps scientists understand how species have evolved over time
• All of these are correct

We usually find fossils in...

• Igneous rock
• Sedimentary rock
• Metamorphic Rock
• Sandy Rock

Older rocks and fossils tend to be at the.....

• Top
• Bottom

Why is the fossil record incomplete?

• fossils get eroded away over time
• most organisms never became fossils
• scavengers and decomposers eat them too quickly
• all of the above

How old do Paleontologists believe the Earth is?

• 2015 years old
• 3.6 billion years old
• 4.6 billion years old
• 4.6 million years old