GEOL 1301-001 Exam 3 Study Guide ∙ Geobiology – study of how the biosphere and the Earth’s physical elements interact with each other ∙ Necessities for life: o Carbon o Water o Nutrients o Energy source ∙ Organisms o Organisms can be broken up into 2 categories: Autotrophs – orDon't forget about the age old question of __________ is the measure of the number of different audience members exposed at least once to a media vehicle.
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Don't forget about the age old question of When products have a high degree of similarity in features and components, what part can be used in multiple products?
Don't forget about the age old question of How do stream/ rivers change from headwater to mouth?
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ganisms who can make their own food Heterotrophs – organisms who have to find/get their food o Use metabolism to convert inputs into outputs Ex. Converting food into energy o What is respiration? ∙ Microorganisms o What are they? – Single-celled organisms o What are microbial mats miniature models of? – biogeochemical processes Layered microbial communities ∙ Don’t know the ultimate cause of the Cambrian Explosion ∙ Cretaceous Periodo Dinosaurs went extinct (many other organisms as well) o How did scientists figure out it was a meteorite that killed those organisms? – layer of sediments high in Iridium (element found in meteorites) ∙ Volcanoes are at least 1300 degrees Celsius ∙ Magma = less dense than rock ∙ Volcano Formations o What are the 4 main types? – Shield, domes, cinder-cone, stratovolcanoes ∙ Lava o What are the 3 types of lava? – Rhyolitic, Basaltic, Andesitic o Which is highest in silica content? – Rhyolitic o Which is lowest? – Basaltic ∙ Climate change causes: o Global warming o Changes in weather patterns o Sea-level rise ∙ Atmosphere o Thermosphere (highest altitude) o Mesosphere o Stratosphere o Troposphere (lowest altitude)∙ Hydrosphere o What are gyres? ∙ Cryosphere o 33 million cubic kilometers of ice o How much of the world’s fresh water is stored in ice? ∙ Lithosphere o Land = 30% Earth’s surface o Tectonic movements can affect ocean currents (which affects the climate) o Volcanoes can change the atmosphere ∙ Biosphere o Life controls vegetation, which affects the climate o Greenhouse effect o Positive and negative feedback (with examples)