Devin's Geology

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Can you name the Devin's Geology?

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

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