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- 1. Multiple Choice
Which fossil is the youngest?
fossil A
fossil B
fossil C
fossils A and B are the same age
- 2. Multiple Choice
What is the importance of studying fossils?
to provide information about how current life forms would exist in previous environmental conditions
to provide information about how life and environmental conditions may have changed
to provide information about how previous life forms would exist in current environmental conditions
- 3. Multiple Choice
Claire would like to show that fossils provide evidence of how old Earth is. She knows that the fossil record can be used to show geologic time scales and present a record of Earth’s history. Which fossils match the Precambrian time period?
flowers and dinosaurs
bacteria and primitive marine plants
coral reefs and amphibians
- 4. Multiple Choice
London is studying the geological time scale. Which era would London find Humans in?
Precambrian
Cenozoic
Paleozoic
Mesozoic
- 5. Multiple Choice
Scientists have found large groups of fossils of marine (lived in the ocean) organisms on mountaintops. What does this tell scientists about the past?
That these rocks must have been moved there by some one else.
That these rocks were always above the surface of an ocean
That these organisms left the ocean and climbed to the top of an inland mountain to die
That these rocks were once below the surface of an ocean
- 6. Multiple Choice
Fossils provide evidence of __________.
how life and the environment has remained stable over time
how the climate and weather has remained stable over time
how life and the environmental conditions have changed over time
- 7. Multiple Choice
Some scientists believe that life on Earth began about 3.5 billion years ago. What do they base this belief on?
the thickness of the mantle
the time it takes to orbit the Earth
the fossil record
- 8. Multiple Choice
When scientists analyze the fossil record, they find organisms that are similar to some organisms of today with noticeable changes. How does this help scientists to interpret the past?
It doesn't help them at all.
It allows them to see how organisms have changed over time
It allows them to see how organisms have remained the same over time
- 9. Multiple Choice
According to the diagram, which of the following statements is true?
Fossil C and D are the same age.
Fossil C is younger than Fossil D
Fossil B is youngest
Fossil A is oldest.
- 10. Multiple Choice
In what era did the first land plants appear?
Silurian
Mesozoic
Paleozoic
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