Devin's Geology

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Can you name the Devin's Geology?

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

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