Devin's Geology

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Can you name the Devin's Geology?

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last glacial maximim?
formation of early atmosphere
blunt tooth shell crushers (enormous turtles)
first skeletal fossil- Neoproterozoic
Cope's Rule
oldest boens applied to the Homo genus?
'fish lizard'- top predator, marine mammal
amniotic egg
bony fishes characterized by symmetrical trails, specialized fins, and short jaws
Earth's Absolute Age
the intrusive igneous is always younger than its surrounding rock
natural balance; the root is as big as the mountain
largest Precambrian shield
Age of Dinosaurs
Dollo's Law
sedimentary process that removes CO2 from the atmosphere
increasing wavelengths as light travels through space- supports big bang theory
sea spreads landward
composition of early ocean
the oldest strata lie at the bottom and higher strata are excessively younger
start of the modern Ice Age
what period did the trilobites suffer their last extinction
age of the moon
How did Primates migrate to North America?
emergence of earliest homminids
all strata are horizontal when they form
two groups of mammals
Swimmer; pursued prey by jet propulsion
counteracting forces that stabilizes systems
fish-like vertebrates with fossilized teeth
'the present is the key to the past'
first hominid species to to migrate past Africa
animal intermediate in from between Humans and Apes
burial of trees -> decrease O2
tiny spherical floating forms who make up deep sea sediment
Humans are the only living descendent of (blank)
carried tropical warm waters from the Pacific through the Mediterranean/Gulf of Mexico and back
each atom with a unique atomic weight
Select extinction of small tooth herbivores can be attributed to...
oldest Eukaryote fossil- 2.1 Ga
Formation of the moon
produced fossils in the from of cysts
destroys systems through one directional force
most abundant rock of our surface
What were the secrets to the success of Angiosperms?
similar biological forms evolve in groups that belong to different branches of the tree of life
first reptiles to invade the marine realm w/ paddle like limbs (modern seal)
fragmentation of Pangea
hooved herbivores
What animal evolved from a carnivorous land to a large marine predator during the Eocene?
resembling mammals; legs vertical beneath the body with complex and powerful jaws
3 domains of life
seaward migration of shoreline
similar rocks on opposite sides of the valley seem to have been connected
when did humans invent agriculture?
an abrupt shift back to full glacial conditions; 13,000 years ago
3 glacial centers
marine fauna; invertebrate swimmers
evidence of a meteor impact;high concentrations of an element that is rare on earth but common in meteorites
Age of Mammal
spreading of trees -> increase O2
when/ where did Homo Sapiens evolve?
mountain building from compression of continental crust and additional igneous material
large armored-head, jawed fish who fed on smaller fishes
formation of Pangea
Dates of Creatceous mass extinction
the physical and chemical principles operating today have operated the same throughout history
an organism whose cells are characterized by a nucleus and other complex structures
when depositional environments migrate laterally; sediments fo one enviornment lie on top of those from the adjacent one
large portions of continent that have undergone no substantial tectonic deformation
structure allowing respiration
earliest example of modern plate tectonics
arthropods with heavily calcified, segmented bodies
large rocks far from their parent bed rock that are too large to have been transported by any means other than continental glaciers
recreated early environments through the use of amino acids incorporated into proteins

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