Devin's Geology

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Can you name the Devin's Geology?

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

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Created May 9, 2011ReportNominate
Tags:devin, geology