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101 Cards in this Set
- Front
- Back
Organisms That survived the KT extinction
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Mammals
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Scientists Who discovered the cause of the KT extinction
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Alvarez
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Organisms found living at temperatures between 60 and 80 degrees C.
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Thermophiles
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Atom or Molecule with either a positive or negative charge
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Ion
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What archaea can do that other domains cant
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Methanogenesis-they are capable of producing methane
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Why is Mars Red
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Iron
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Element used to reconstruct the amount of Continental erosion
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Strontium 86Sr or 87Sr
87 is unstable or radiogenic |
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Tectonic setting that you can find in the middle of the oceans
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mid-oceanic ridge
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what is the name of the supercontinent during the Permain
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Pangea
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Number of glacial events there have there been in the past 800,000 years
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8
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Human Activity that influences the soils carbon reservoir
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Fertilizing
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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
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Photosynthesis
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group of plants that has increased in proportion during the pas 8 million years
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C4 or grass
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Green Mineral you can find on Hawaii Beaches
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Olivine
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magma cooling fast at or near the Earth's surface forms _ _ rocks
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Volcanic/Extrusive
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Density and Units of Oceanic Crust
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3.2 g/cm3
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Ecological Plant Zones
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Temperate forest C3
Grasslands C4 |
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Tibetan Plateau and Himalaya start to rise
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40/20 million years ago
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What Defines Life
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Heredity
Cell Organization Reproduction Environment Sensitive and Responsive-change and react to environment Growth and Repair |
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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. |
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Multicellular Organisms Appeared
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550 MYA
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Snowball Earth
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700 MYA in Cryogenian
(Book says .6 GA) |
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Consequence of the greening of the continents
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decrease in atmospheric CO2
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LUCA
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last universal common ancestor
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SiO2
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Quartz
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2 Scientists who simulated the origin of life
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Stanley miller and Harold Urey
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largest Reservoir of carbon
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limestone, carbonate, or CaCO3
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Periodicity of the glacial events in the past 800,000 years
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100,000 years
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minerals used for climate reconstruction
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Calcite
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When did Pangea break up
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250 MYA
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Molecules found in meteorites and were produced by the miller & Urey experiment
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Amino-acids
Sugars Nucleobases (purines and Pyrimidines |
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Present day climate on Mars
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cold and dry
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The dominating group of animals during the cretaceous
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reptiles
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Organisms that can live at temperatures about 80 degrees C
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hyperthermophiles
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Organisms extinct during the KT extinction
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Dinosaurs
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Ocean Around Pangea
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Tethys
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These read the info in the RNA molecules (produced from DNA ) and use it to produce proteins
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Ribosomes
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Units for the Carbon Cycle
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10^12 kg
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Temperature of the ocean bottom water
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20 degrees C
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organisms that live at or near the freezing point of water
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psychrophiles
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An ion with a positive charge
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Cation
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Rocks formed as a result of mineral crystallization from magma
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Igneous Rocks
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Short Term Effect of volcanism
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Cooling
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Over the pst 30 MYA sedimentation in Indian Ocean has...
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Increased
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C4 Plants
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modern...grass, corn, sugar cane
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Climate in Pangea
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cold and dry
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Pangea existed __ years ago
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250 MYA
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Scientist who proposed 3 domains of life
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Woese
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CaCO3
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Calcite
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Mammals Appeared
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200 MYA
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Reservoir volume/ flux=?
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Residence Time in Years
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Size of mars compared to Earth
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Mars is 1/2 the size of Earth
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size of the KT extinction crater
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100km
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what 2 dates was atmospheric CO2 concentration low
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today/300MYA
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Trees appeared
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350 MYA
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size of the meteorite that caused KT extinction
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10km
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CH4
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Methane
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Rare element that got deposited all around the world during the KT extinction
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Iridium
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What we use to estimate the age of martian crust
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number of craters
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Describe the cretaceous oceans. (Year??)
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warm, stratified, low oxygen, high sea level 150-65MYA
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What happens to sea level when sea ice forms on oceans
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level decreases
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What Amino acids are the building block of
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Proteins
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Ardi Hominid posture
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Upright
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a ion with a negative charge
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anion
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Organisms that live in persistently dry environments
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Xerophiles
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Mars topography
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Bimodal
low altitude and smooth in N Hemisphere High altitude, mountains, volcanoes, craters in S Hemisphere |
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Lipids from
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Bilayer Membranes
Micelle Liposomes |
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time Plants colonized that land
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450 MYA
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more land in this hemisphere
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N
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water fearing part of a lipid
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hydrophobic
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C3
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trees
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ph below 3
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acidophiles
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time Plants colonized that land
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450 MYA
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more land in this hemisphere
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N
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water fearing part of a lipid
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hydrophobic
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C3
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trees
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ph below 3
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acidophiles
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Effect of the formation of the Himalyas on climate
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cooling
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Canme of the acid into which organic molecules decompose into
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carbonic acid
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time atmosphere oxygenated enough to have an ozone layer
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2 BYA
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DNA is made of
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Phosphate sugar purine (a,G) pyrimidine (T,C) Adenine, Thymine, Guanine, Cytosine, nucleobases, nucleotides
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volcanoes in Hawaii produce this type of lava
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extrusive
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modern human appeared
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150,000ya
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long term effect of volcanism
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warming
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Martain geologic periods
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Noachian/Hesperian/Amazonian
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KT extincation happened
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65 MYA
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This caused the rapid drop of atmospheric Co2 350-300 MYA
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land plant greening
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time Plants colonized that land
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450 MYA
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more land in this hemisphere
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N
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water fearing part of a lipid
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hydrophobic
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C3
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trees
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ph below 3
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acidophiles
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Water can be found on mars
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at poles, underground, near the equator, tiny bit in atmophere
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Older ocean basin
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Northern
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Ediacaran animal description
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leafy, jelly fish
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Co2 concentartion in the present day atmosphere complared to the cretaceous
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low
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when life orginated
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4 BYA
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stable isotopes used for climate reconstruction
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O16 or O18 or H1 or H2
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Cause of the KT extinction
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meteorite
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KT stand for?
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Cretaceous-Tertiary
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homo abilis and Homo erectus appeared when
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1.5 MYA
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