Earth's History Part 1

Fossils are...

• mineral replacements
• preserved remains
• traces or organisms
• all of the above

The collection of fossils and their placement in chronological order is known as the...

• Paleozoic Era
• Fossil Record
• Amber
• Paleontologist 

Thousands of layers of ___________ provide evidence about the history of the Earth AND the changes of the organisms whose remains are found in those layers.

• Metamorphic Rock
• Sedimentary Rock
• Igneous Rock
• All Types of Rock

What can cause gaps in the fossil record?

• Destruction of Fossils
• Ice Ages
• Climate Change 
• Moon Phases

What environmental conditions favor fossil formation?

• Rapid Burial in Marine Environments
• Flash Floods
• Volcanic Ash
• All of the Above

Fossils can show the structural similarities and differences in organisms over time revealing...

• What type of rock it came from
• diversity of life forms from the past and present
• no diversity ever
• None of the above

What can help us understand the diversity of life that has been present on Earth?

• How a volcano erupts
• The theory of plate tectonics
• Anatomical Similarities and Differences between various organisms
• Minerals and their properties

Comparison between living organisms and fossils also allow the scientists to make ___________ about the lines of descent.

• fossil record
• observations
• inferences
• None of the above

Not all types of organisms that existed in the past have left fossils that can be retrieved because...

• conditions were not favorable for preservation
• They had soft body parts that leave no fossil
• scavenger or decomposer got to the remains
• ALL are correct

Which body part will form a fossil if buried quickly and deeply?

• muscle
• fat
• skin
• teeth