The longest period of Geologic Time.
What is Precambrian time?
This type of dating uses rock layers.
What is Relative Dating.
Based upon change over time.
What is natural selection?
The difference between natural and artificial selection.
The environment drives natural selection while human need drives artificial selection.
A fossil of tracks or burroughs.
What is a trace fossil?
The Age of the Reptiles
What is the Mesozoic?
This fossil must be unique, found in few rock layers and found different places in the world.
What is an Index fossil?
A Swallow's wings shortening.
What is structural adaptation?
Human driven change in an organism.
What is artificial selection?
A wooly mammoth found in the permafrost is an example of this.
What is preserved/body fossil?
Changing ocean temperatures ended this ERA
What is the Paleozoic Era?
The number of years an organism must be dead to be a fossil.
What is 10,000+ years old
A chameleon's color change to match a flower.
What is a physiological adaptation?
Breeding organisms so they have enhanced traits.
What is selective breeding?
An organism dies, is covered with sediment, dies and leaves an imprint of its outer shell.
What is a mold fossil.
The Cenozoic Era is known as this.
What is the Age of Mammals?
Mass Extinction
What causes the end of an era?
Cows herd close together on a snowy night.
What is a behavioral adaptation?
This method of altering the genes in an organism is often controversial.
What is genetic engineering?
This fossil is a replica of what the organism may have looked like.
What is a cast fossil.
The reason we are no longer a part of the Holocene Epoch.
What human influence?
A fossil found in multiple layers of rock.
The specific name and type of adaptation the in DWTB bowerbird used to run off a wild boar.
What is the behavioral adaptation of mimicry.
Selecting in-vitro embryos that do not carry a fatal disease to implant.
What is ethical use of selective breeding?
When a tree is permineralized and turns to stone after soaking up minerals from water.
What is a petrified fossil?