Devin's Geology

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Can you name the Devin's Geology?

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

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Created May 9, 2011ReportNominate
Tags:devin, geology