The man credited with the term 'natural selection'.
Charles Darwin
Minerals fill in the spaces left by a decaying organism.

Cast Fossil
General term for dating fossils or rock layers by comparing them to one another.
Relative Dating
A change in SPECIES from generation after generation.
Evolution
The disappearance of a species.
Extinction
What Darwin was SUPPOSED to do instead of studying animals.
Medical School
Evidence of organism's activity.

Trace Fossil
The principle that states the youngest layers of rock are on top and the oldest layers are on the bottom.
Law of Superposition
A natural process resulting in evolution of organisms best adapted to the environment; "Survival of the Fittest".
Natural Selection
When multiple species go extinct all at once.
Mass extinction
The island where Darwin studied animals and their unique species.
Galapagos Island
When the actual organism is preserved by ice, tar, or tree sap.

Preserved fossil
Dating technique that gives the exact age of an organism.
Absolute Dating
Traits like dimples, Hitchhiker's thumb, and curled tongues are; traits the neither help of harm you.
Neutral traits
Three possible explanations for the extinction of dinosaurs.
1. Asteroid
2. Suffocation (dust cloud)
3. Earthquake
4. "Fire" from Sky
5. Heat
6. Lightening storm
The name of this bird.

Blue-footed Boobie
When an organism is buried in sediment and then decays, leaving an empty space (impression).
Mold Fossil
Consists of all of the fossils ever discovered.
Fossil Record
A trait that helps an organism survive in its environment and reproduce.
Adaptation
Explain why scientists and farmers use selective breeding and genetic modification
To breed organisms for specific desired traits.
Last name of the 4 other scientists that studied in the same field as Darwin.
Linnaeus, Lamark, Annin, and Lyell
Name of three famous fossils found.
"Peat Bogs"
"Sally"
"MRD"
Woolly Mammoth
Answers may vary
"It is not the strongest of the species that survives, nor the most intelligent, but the one most responsive to ..."
-Charles Darwin
Change
3 reasons creating hybrid animals is controversial.
Expensive, offspring are sterile, health problems...
Answers may vary
Give the ABSOLUTE DATE (year) for the 1st, 2nd, 3rd, and 4th phones below:
1921, 1973, 2004, 2007