A principle that states that geologic change occurs suddenly
What is CATASTROPHISM
100
The principle that states that younger rocks lie above older rocks
What is SUPERPOSITION
100
The trace or remains of an organism that lived long ago
What is a FOSSIL
100
The Earth's Crust is made up of _________.
What is SOLID ROCK
100
The process in which populations change over time
What is EVOLUTION
200
The scientific study of fossils
What is PALEONTOLOGY
200
Kind of rock that forms from fragments of other types of rock
What is SEDIMENTARY ROCK
200
Any fossilized evidence of animal activity
What is a TRACE FOSSIL
200
The Supercontinent that separated 245 million years ago.
What is PANGEA
200
A characteristic tjat helps an organism survive and reproduce in its environment
What is ADAPTATION
300
Determining whether an event is older or younger than other objects or events
What is RELATIVE DATING
300
A mass of igneous rock that forms when magma is injected into rock and then cools and solidifies
What is an INTRUSION
300
The filling or replacement of an organism's tissues with minerals
What is PETRIFICATION
300
The theory that explains how large pieces of Earth's outermost layer move and change shape
What is PLATE TECTONICS
300
The tree parts of speciation
What is separation, adaptation, and reproductive isolation
400
Atoms of an element that have different numbers of neutrons
What is an ISOTOPE
400
A break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time
What is an UNCONFORMITY
400
Life has existed on earth for more than _________ billion years
What is 3.6
400
You would find great mountain belts and lines of volcanoes at a ___________ __________.
What is CONVERGENT BOUNDARY
400
The mechanism, or process by which organisms that are better adapted to their environment survive and reproduce more successfully than less well adapted organisms do.
What is NATURAL SELECTION
500
In the half-life of pennies lab, the parent isotope _________ was represented by _______ and the daughter isotope _________ was represented by __________.
What is Uranium 238, Heads, Lead-206, Tails
500
The principle that a fault or body of rock is younger than any other body of rock that it cuts through
What is the LAW OF CROSSCUTTING RELATIONSHIPS
500
Five ways Fossils can form
What is TRAPPED IN SEDIMENT (SEDIMENTARY ROCK), in AMBER, in ICE, in ASPHALT, or PETRIFICATION
500
In which geologic time period are we currently living
What is CENOZOIC ERA
500
The name of the ship that Charles Darwin sailed across the world on