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101 Cards in this Set

  • Front
  • Back
Organisms That survived the KT extinction
Mammals
Scientists Who discovered the cause of the KT extinction
Alvarez
Organisms found living at temperatures between 60 and 80 degrees C.
Thermophiles
Atom or Molecule with either a positive or negative charge
Ion
What archaea can do that other domains cant
Methanogenesis-they are capable of producing methane
Why is Mars Red
Iron
Element used to reconstruct the amount of Continental erosion
Strontium 86Sr or 87Sr

87 is unstable or radiogenic
Tectonic setting that you can find in the middle of the oceans
mid-oceanic ridge
what is the name of the supercontinent during the Permain
Pangea
Number of glacial events there have there been in the past 800,000 years
8
Human Activity that influences the soils carbon reservoir
Fertilizing
In ancient oceans This produces Oxygen and causes dissolved Fe 2+ to be converted to Fe 3+ which then precipitated as the insoluble iron oxide Fe2O3
Photosynthesis
group of plants that has increased in proportion during the pas 8 million years
C4 or grass
Green Mineral you can find on Hawaii Beaches
Olivine
magma cooling fast at or near the Earth's surface forms _ _ rocks
Volcanic/Extrusive
Density and Units of Oceanic Crust
3.2 g/cm3
Ecological Plant Zones
Temperate forest C3
Grasslands C4
Tibetan Plateau and Himalaya start to rise
40/20 million years ago
What Defines Life
Heredity
Cell Organization
Reproduction
Environment Sensitive and Responsive-change and react to environment
Growth and Repair
Names for the reactants in this equation:
2 NaAlSi3O8 + 2 CO2 + H2O -> Al2Si2O5 + 2 Na+ +2 HCO3- + 4 SiO2
NaAlSi3O8 is feldspar
CO2 is Carbon Dioxide
H20 is water
Al2Si2O5 is clay
Na is Sodium
2 HCO3 is bicarbonate
SiO2 is Quartz, silicon dioxide, silica, sand, the main constituent of glass.
Multicellular Organisms Appeared
550 MYA
Snowball Earth
700 MYA in Cryogenian
(Book says .6 GA)
Consequence of the greening of the continents
decrease in atmospheric CO2
LUCA
last universal common ancestor
SiO2
Quartz
2 Scientists who simulated the origin of life
Stanley miller and Harold Urey
largest Reservoir of carbon
limestone, carbonate, or CaCO3
Periodicity of the glacial events in the past 800,000 years
100,000 years
minerals used for climate reconstruction
Calcite
When did Pangea break up
250 MYA
Molecules found in meteorites and were produced by the miller & Urey experiment
Amino-acids
Sugars
Nucleobases (purines and Pyrimidines
Present day climate on Mars
cold and dry
The dominating group of animals during the cretaceous
reptiles
Organisms that can live at temperatures about 80 degrees C
hyperthermophiles
Organisms extinct during the KT extinction
Dinosaurs
Ocean Around Pangea
Tethys
These read the info in the RNA molecules (produced from DNA ) and use it to produce proteins
Ribosomes
Units for the Carbon Cycle
10^12 kg
Temperature of the ocean bottom water
20 degrees C
organisms that live at or near the freezing point of water
psychrophiles
An ion with a positive charge
Cation
Rocks formed as a result of mineral crystallization from magma
Igneous Rocks
Short Term Effect of volcanism
Cooling
Over the pst 30 MYA sedimentation in Indian Ocean has...
Increased
C4 Plants
modern...grass, corn, sugar cane
Climate in Pangea
cold and dry
Pangea existed __ years ago
250 MYA
Scientist who proposed 3 domains of life
Woese
CaCO3
Calcite
Mammals Appeared
200 MYA
Reservoir volume/ flux=?
Residence Time in Years
Size of mars compared to Earth
Mars is 1/2 the size of Earth
size of the KT extinction crater
100km
what 2 dates was atmospheric CO2 concentration low
today/300MYA
Trees appeared
350 MYA
size of the meteorite that caused KT extinction
10km
CH4
Methane
Rare element that got deposited all around the world during the KT extinction
Iridium
What we use to estimate the age of martian crust
number of craters
Describe the cretaceous oceans. (Year??)
warm, stratified, low oxygen, high sea level 150-65MYA
What happens to sea level when sea ice forms on oceans
level decreases
What Amino acids are the building block of
Proteins
Ardi Hominid posture
Upright
a ion with a negative charge
anion
Organisms that live in persistently dry environments
Xerophiles
Mars topography
Bimodal
low altitude and smooth in N Hemisphere
High altitude, mountains, volcanoes, craters in S Hemisphere
Lipids from
Bilayer Membranes
Micelle
Liposomes
time Plants colonized that land
450 MYA
more land in this hemisphere
N
water fearing part of a lipid
hydrophobic
C3
trees
ph below 3
acidophiles
time Plants colonized that land
450 MYA
more land in this hemisphere
N
water fearing part of a lipid
hydrophobic
C3
trees
ph below 3
acidophiles
Effect of the formation of the Himalyas on climate
cooling
Canme of the acid into which organic molecules decompose into
carbonic acid
time atmosphere oxygenated enough to have an ozone layer
2 BYA
DNA is made of
Phosphate sugar purine (a,G) pyrimidine (T,C) Adenine, Thymine, Guanine, Cytosine, nucleobases, nucleotides
volcanoes in Hawaii produce this type of lava
extrusive
modern human appeared
150,000ya
long term effect of volcanism
warming
Martain geologic periods
Noachian/Hesperian/Amazonian
KT extincation happened
65 MYA
This caused the rapid drop of atmospheric Co2 350-300 MYA
land plant greening
time Plants colonized that land
450 MYA
more land in this hemisphere
N
water fearing part of a lipid
hydrophobic
C3
trees
ph below 3
acidophiles
Water can be found on mars
at poles, underground, near the equator, tiny bit in atmophere
Older ocean basin
Northern
Ediacaran animal description
leafy, jelly fish
Co2 concentartion in the present day atmosphere complared to the cretaceous
low
when life orginated
4 BYA
stable isotopes used for climate reconstruction
O16 or O18 or H1 or H2
Cause of the KT extinction
meteorite
KT stand for?
Cretaceous-Tertiary
homo abilis and Homo erectus appeared when
1.5 MYA