Vocab
The preserved remains or traces of an organism that lived in the past
What is a fossil
What method do geologists use to fine the absolute age of rocks
What is the geologic record
The longest era
What is the Precambrian era
Occured in the Cenozoic era
What are grasses
The only mammal able to fly
What is a bat
The age of a rock given as the number of years since the rock formed
What is the absolute age
What is the relative age of a rock
What is its age compared to the ages of other rocks
An organism 500 million years old
What is the Wiwaxia
Earth's earliest organisims
What are invertebrates
What the 3 w's mean in a web adress
What is the World Wide Web
One of the three long units of geological time between the Precambrian and the present
What is an era
How could a geologist match the rock layers in one area to rock layers in another area
What is using the relative age
How scientists use relative age
What is radioactive dating
The first birds evolved in __________ era
What is the Mesozoic era
Made in 2006, this Nintedo game console makes people use the controller like swords or tennis rackets
What is the Nintendo Wii
A vertebrate whose body temperature is determined by the temperature of the environment, and that lives its early life in water and its adult life on land
What is an amphibian
How much percent does a rock have of potassium-40 from its beginning
What is 25%
Physical evidence from rock and fossil records that show how Earth has evolved
What is the Geologic Time Scale
The Age of Reptiles
What is the Mesozoic era
What is Lilo and Stich
The geologic principle that states that in horizontal layers of sedimentary rock, each layer is older than the layer above it and younger than the layer below it
What is the law of superposition
How are faults made
What is forces cause movement inside earth to the opposite of the rock
How geologists mostly study to develop the geological time scale
What is rock layers and indes fossils
The newest era
What is the Quarternary era
The name for the shark in Jaws
What is Bruce