Fossil Record

Multiple Select

WARM UP #1 - What did this line represent? (After you answer, draw the picture under Warm Up #1)

• The K-T Boundary

• The boundary line that marked the end of the dinosaurs

• Random layer of clay that divided the time of the humans

• Where a sandstorm was in the past

Multiple Choice

The majority of mass extinction events were due to

• Changing global sea levels

• Volcanic Activity

• Asteroid impact

• Ocean or atmospheric chemistry + Climate

Multiple Select

The end of the Cretaceous period was due to (select all that apply)

• Changing Sea Level

• Volcanic Activity

• Asteroid impact

• Changing ocean or atmospheric chemistry

Multiple Choice

Changing sea levels was one of the causes for a mass extinction event that ended the ______ period

• Ordovician

• Permian

• Triassic

• Devonian

Multiple Choice

The oldest layer is

• permian

• triassic

• quaternary

• tertiary

Multiple Choice

The ammonites (seashell type creatures) went extinct before the ______ period.

• cretaceous

• permian

• quaternary

• tertiary

Multiple Choice

In this graph, the dependent variable is ______ (choose the BEST answer)

• Extinction Occurrences

• Extinction Occurrences (%)

• Time

• Millions of Years before present time

Multiple Choice

This graph shows __________ in the number of dinosaur species over time.

• an increase

• a decrease

• no change