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Earth's Formation (Chpt. 10)

by: requandra booze

Earth's Formation (Chpt. 10) 40092

Marketplace > University of Louisiana at Monroe > Science > 40092 > Earth s Formation Chpt 10
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Need help on your upcoming quiz? These flash notes have everything you need.
Biology 1000
Dr. Amanda N. Orenstein
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This 5 page Class Notes was uploaded by requandra booze on Thursday September 29, 2016. The Class Notes belongs to 40092 at University of Louisiana at Monroe taught by Dr. Amanda N. Orenstein in Fall 2016. Since its upload, it has received 7 views. For similar materials see Biology 1000 in Science at University of Louisiana at Monroe.


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Date Created: 09/29/16
Biology 1001 Flash Notes Chpt. 10 Quiz Earth’s Formation Key Terms​= Answers​= Cyanobacteria blue-green algae in its earliest stage Prebiotic Chemistry before life carbonaceous chondrites ungrouped meteorites Anaerobic no oxygen Heterotrophic autotrophs and other inorganic substances supply its nutrition Autotrophs organisms are able to produce their own food from simpler inorganic molecules Archaean Era 500 million years ago there was a formation of the oldest known rocks and continents rose from the sea Proterozoic Era organisms begin to diversify and mountains begin to form Paleozoic Era Major plant and animal phyla found from fossil records known today were also present at this time Pangaea once a single super continent 245 million years ago but it broke up Mesozoic era there was a rise of dinosaurs 245-65 million years ago while subduction continued and animals were still evolving catastrophic events put an end to this era Cenozoic Era continents reached their present locations 65 million years ago to now, but the theory is that all species such as dinosaurs became extinct because of an asteroid impact Taxonomy identification and the naming of organisms are studied Genus Homo Species Sapiens Phylogeny based upon organism's evolutionary history family trees are made by putting organisms in a group Analogous Trait different in origin but has a similar trait in two different groups or species Homologous Trait similar in origin and shares a similar trait in two different groups or species When was earth formed? 4.6 billion years ago What were the elements found in the first atmosphere? Carbon dioxide Nitrogen Water Hydrogen sulfide Ammonia Name the taxonomic groups Eukarya Animals Chordata Mammalia Carnivora Canidae Canis lupus These elements make up the atmosphere today oxygen, carbon- dioxide, nitrogen What are the five eukaryotic cells? progenitor of eukaryotes, proto- eukaryote, ancient eukaryote, eukaryotic protest, fungus, and animal cells, and eukaryotic plant cell What are the building blocks of molecules? simple sugars & amino acids What is the Miller experiment and how was it tested? The first conditions of life were being tested by filling a flask up with elements and exposing the material to sunlight, which caused biologically significant compounds to​form. What evidence did astronomers found from space? Organic molecules in interstellar clouds and that non biological materials can create organic molecules What are membranes and how are they formed? flexible semipermeable lipid wrappers that are formed by polypeptides and phospholipids when heated How were the first metabolic pathways created? strings of catalyst What are two ways that carbon containing compounds can be brought to earth? Lightning and meteors What are chemoautotrophs? they use hydrogen gas and sulfur for energy, carbon-dioxide is used as a carbon source, and they are anaerobic Where did mitochondria evolve form? aerobic bacteria Where did chloroplast evolve from? photosynthetic bacteria What happened 580 million years ago? a diverse group of animals emerged due too high oxygen levels in the atmosphere What is the Cambrian Explosion? animals and plants begin to emerge 400 million years ago occupying the sea and earth What are plate tectonics? land masses are moved and subduction occurs What is the End-Permian extinction? Drastic climate changes led to the extinction of a mass amount of animals living at seas and on land What is systematics? diversity of organisms are studied Who came up with Binomial Nomenclature Carolus Linnaeus How are organisms classified? according to their shared characteristics What is the job of taxonomists? make a decision on what characteristics will be used for classification What role does cladistics serve? cladograms are developed, organisms are classified by shared derived traits, and ancestral and analogous traits are looked for What are molecular phylogenies? the order of amino acids in proteins that are used to make a family tree What does the Tree of Life do? a diagram made from scientific findings that connects all life on earth What is rRNA used for? to track sequence changes and to determine branching What are the three domains of a kingdom? Bacteria, Archaea, Eukarya What happens if species are not categorized before they come extinct? could have an impact on the ecological system, may lose valuable genetic sources for our food, drugs, and other things used today How many mass extinctions have occurred so far? 5 In the next thirty years how much diversity will be lost and why? 20% due to negligence of the environment cause by humans


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