Exploring Fossils and Correlation Techniques

What is the primary focus of the Earth Science lecture?

• Fossils, Correlation, and the Geological Time Scale

• Oceanography

• Climate Change

• Volcanic Activity

Which type of fossil forms when tree sap hardens and seals the specimen?

• Petrified Wood

• Mold and Cast Fossils

• Amber Fossils

• Carbonization

What are Trace fossils?

• Fossils found in ice

• Indirect evidence of previous animal life

• Fossils formed by carbonization

• Fossils found in dry climates

Who was the first to conclude that fossils had a plant and animal origin?

• Alfred Wegener

• Nicholas Steno

• James Hutton

• Charles Darwin

What does the principle of fossil succession state?

• Fossils are evenly distributed across all rock layers

• Fossils are only found in sedimentary rocks

• Fossils succeed each other in a definite and determinable order

• Fossils appear randomly in the geological record

What is the estimated percentage of life on Earth that has been preserved in the fossil record?

• 99%

• 10%

• 50%

• 1%

What method do geologists use to match layers of rock exposed in different regions?

• Radiometric Dating

• Correlation

• Carbon Dating

• Stratigraphy

What is the longest division of time in the geological time scale called?

• Era

• Period

• Eon

• Epoch

Which eon is known for 'visible life'?

• Phanerozoic

• Proterozoic

• Archean

• Hadean

What does the term 'Paleozoic' mean?

• Recent Life

• Ancient Life

• Old Life

• Middle Life