Fossils
Absolute Dating
Evolution
Relative Dating
Miscellaneous
100
The rock type that buries organisms as it is made a fossil.
What is sediment?
100
The time it takes for the parent isotope to fully decay into the daughter isotope.
What is a half-life?
100
The naturalist who wrote first proposed the Theory of Evolution.
Who is Charles Darwin?
100
Layers of rock above are younger than layers of rock below.
What is the Law of Superposition?
100
How you would describe the lower trilobite fossils compared to the scallop fossils above.
What is older than the scallop fossils?
200
A specific fossil that marks a certain time in Earth's history.
What is an index fossil?
200
The parent isotope that decays into Lead-206 in dating igneous rock layers.
What is Uranium-238?
200
The kind of traits passed from parent to offspring, like color of skin.
What are inherited traits?
200
The type of rock that is the youngest when it cuts across all of the layers.
What is an igneous intrusion?
200
The relationship of the animals in the fossil record with today's animals.
What are their ancestors?
300
The condition of the surface of the Earth, in the past, where a fish fossil is found on a mountain top.
What is under water?
300
The approximate age of the earth as determined by the Zircon crystal in Australia.
What is approximately 4.6 billion years?
300
A process by which humans breed new characteristics into organisms to make them more resistant to disease and other characteristics.
What is artificial selection?
300
A gap in layers of rock caused by erosion.
What is an unconformity?
300
The way the fossil record supports the Theory of Evolution.
What are slow changes to the organisms over long periods of time?
400
Minor changes in the record of organisms, as well as major changes in the Earth's surface and climate.
What is the fossil record?
400
The amount of Carbon-14 in a fossil after 2 half-life cycles, if it started with 20 grams of parent isotope.
What is 5 grams of Carbon-14?
400
The organism that adapts to its environment and reproduces successfully.
What is the survival of the fittest?
400
The color of the layer above the unconformity.
What is the green layer of rock?
400
Why Carbon-14 is unacceptable to date the age of dinosaur bones.
What is too short of a half-life?
500
The movement of tectonic plates, changes in the Earth's surface, and how organisms change over time.
What is the Fossil Record?
500
An alternate isotope that provides a more accurate age of a fossil due to its smaller cycle but does not use carbon.
What is Potassium-40?
500
The passing of advantageous traits to the next generation but not learned traits.
What is natural selection?
500
The layers of rock in order from youngest to oldest.
What is E, D, A, B, and C?
500
The cause for the variety of beaks in the Galapagos Finches, allowing them to eat the different types of food.
What is adapting to their environment for survival?