Topic 1
An adaptation of life-forms to changes in the environment is known as
What is evolution
This science uses the annual growth of tree rings to date events and environmental changes.
What is dendrochronology?
Mountain building event named for the mountains of Eastern NYS.
Plane of Earth's orbit around the Sun.
What is the ecliptic?
Loose, ground up rock on Earth's surface
What is regolith?
In an undisturbed sequence, the oldest rocks are at the bottom of the sequence and successive layers are younger than those below them.
What is superposition
This principle infers that a fault or intrusion is younger than the rocks it cuts across.
Sudden appearance of diverse organisms.
What is the Cambrian explosion?
Material blasted out during impacts that fall back to the Moon's surface
What is ejecta?
The blocking of the disk of the Sun by the Moon
What is solar eclipse?
Pore spaces within an organism's shell are filled in with mineral substances in this process.
What is mineral replacement?
The Phanerozoic Eon includes the Paleozoic era, Mesozoic era, and
What is the Cenozoic era
Locomotion on 2 legs
What is bipedal?
A device that brings visible light to focus with mirrors
What is reflecting telescope?
The portion of sunlight reflected by the surface of an astronomical body
What is albedo?
Fossil insects can be found embedded in this substance of hardened sap.
What is amber?
The Proterozoic and Phanerozoic are examples of
What are eons?
Continental edge with no tectonic activity
What is passive margin?
Earth's position around June 21st, at which the northern hemisphere has its maximum daylight hours.
What is the Summer solstice?
The concept that states that geological events that are happening now have been happening in the past
What is uniformitarianism
This divides Earth's history into unit's from its origin to the present.
What is the geologic time scale?
Mountain range on present day Colorado formed by inland uplift.
What is ancestral Rockies?
Moon's state it which its rotational period at its orbital periods are equal.
What is synchronous rotation?
Abundant, lived for a short time period, widespread geologically
What is an index fossil?