Devin's Geology

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Can you name the Devin's Geology?

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

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