BCOR 12 1nd Edition Lecture 20 Outline of Last Lecture I Amphibians II Amniotic Egg Evolution III Sauropsids IV Mammals V Humans Outline of Current Lecture I Anthropocene epic II Sustainability III The Scope of Ecology IV Population Ecology V Growth Models Current Lecture Anthropocene epic the time in the planet s history defined by the scale of human influence Debate is going on about when the antropocene epic began This then states that humans have been globally effecting the Earth Also states that whatever effect we have had on the Earth is irreversible Sustainability understanding that present needs must be met without compromising the future Three parts of sustainability I II III Environment ecology Economic Social These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Have to think about these three things when proposing an idea for sustainability Exponentially growing metric trends are unsustainable for they eventually run out of resources space or hit a wall that prohibits them from continuing to grow The Scope of Ecology Ecology the study of how organisms interact with each other and their environment o Deals with abiotic and biotic factors Types of Ecology o Molecular o Organismal o Population o Community o Ecosystem o Landscape o Global Ecology is always being influenced by evolution and vice versa Population Ecology Population ecology the study of populations in relation to its environment Dynamic biological process influence populations Population characteristics I II III Density the number of individuals area and is constantly changing Affected by a Immigration b Birth c Death d Emigration Dispersion pattern of spacing among individuals Types a Clumped clump around abundant resources b Uniform seen with populations where there is a lot of competition c Random resources are homogenous and organisms can live wherever Demographics vital rates Including a Survival b Growth c Reproduction i Demographics lets us project through time Growth Models Exponential model describes population grown in an idealized unlimited environment Logistical model describes how a population grows more slowly as it nears it carrying capacity
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