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