Devin's Geology

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Can you name the Devin's Geology?

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

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