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16 Cards in this Set
- Front
- Back
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What is a Paleontologist?
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The study of evolution, such as dating fossils, finding fossils and making references to common ancestors.
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What is a Fossil record?
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A record of fossils found over years, that date back millions of years ago, not complete.
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What does Extinct mean?
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To be gone forever, for example, "Dinosaurs went extinct."
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What is Relative dating?
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To determine a animals age or what year it was from, "not exact."
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What is a Index fossil?
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A fossil that belongs to a specific error which is used in Radioactive dating to get an exact year or era it was from.
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What is a Half-life?
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A Half-life is the time in which an atom is at its half life point, for example, "Uranium half-life = 4.5 billion."
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What is Radioactive dating?
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Radioactive dating is using a particular atom and a index fossil to put a exact year or era on the specific fossil.
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What is a Geologic time scale?
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The events from the beginning of the formation of Earth until now, from right to left, basically a timeline of Earth.
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What is a Era?
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An era is a period with specific characteristics and features.
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What is a Period?
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A specific historical event or time frame.
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What is a Endosymbiotic theory?
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Has to do with the mitochondria and chloroplast where they exactly came from.
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What are the Plate Tectonics?
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It is a theory in which it is the Earth's crust.
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What is a Coevolution?
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Species that have closely related ancestors.
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What is a Convergent Evolution?
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Organisms that have the same biological traits, but different ancestors.
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What is Speciation?
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Formation of a new specie.
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What is Adaptive Radiation?
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Animals of a specific population that changes to survive their environment.
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