Week 1 Notes: August 17-21
Week 1 Notes: August 17-21 RCO 252-01
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This 2 page Class Notes was uploaded by Rosa Angeles on Wednesday September 9, 2015. The Class Notes belongs to RCO 252-01 at University of North Carolina - Greensboro taught by Ms. Margaret Hood in Summer 2015. Since its upload, it has received 250 views.
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I'm pretty sure these materials are like the Rosetta Stone of note taking. Thanks Rosa!!!
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Date Created: 09/09/15
RCO 25201 Introductory Concepts in Biology Professor Ms Margaret Hood Notes By Rosa Angeles August 17th 2015 Biology is the science of life or study of living organisms Amoeba are singlecelled living protists All living things organisms are organized Atom gt Molecule gt Organelle gt Cell gt Tissue gt Organ gt Organ System gt Organism gt Population gt Community gt Ecosystem gt Biosphere Example of Organelle Nucleus amp Mitochondria Plants have organs leaves amp stem August 19th 2015 Ecosystems are selfsustained Humans have a negative impact on the ecosystem Producers make their own food by photosynthesis protists amp plants Consumers eat producers and decomposers break down matter and make it available for producers Energy ows but is lost as heat Chemicals are cycled Organisms acquire materials amp energy maintain homeostasis respond to stimuli reproduce amp grow have an evolutionary history and are adapted Homeostasis is maintaining a stable internal environment even when external environment changes Human Homeostasis 37 C Body Temp 74 Blood pH and 12080 Avg Blood Pressure Organisms contain genetic information Genes codes for protein on DNA from parents Humans are related to other animals 3 Domains Eukarya Bacteria and Archaea Eukarya have nucleus and membranebound organelles Bacteria and Archaea do not and are onecelled organisms Prokaryotes Eukarya has 4 kingdoms Plantae Fungi Animalia and Protista Humans have a cultural heritage previous generations pass their beliefs values and skills to next generation Humans are members of Biosphere zone of air land and water at the surface of Earth in which living organisms are found 7 Billion people on planet add 78 Million per year 2011 Science is the knowledge derived from observation amp experimentation limited Scienti c Theory gt Concept supported by a broad range of observations experiments and data Cell Theory gt All organisms are composed of cells Gene Theory gt Organisms contain coded information that determines their form function and behavior Evolution Theory gt All living things have a common ancestor but each is adapted to a particular way of life Scienti c Method doesn39t have to go in a speci c sequence Science can never prove something only support or refute it Hypothesis is a possible explanation for an observed occurrence or behavior Prediction is a statement of potential outcome based on prior eXperience or observation Controlled group is not manipulated used for comparisons with placebos Experimental group is manipulated Independent Variable is What39s altered used to create groups Dependent Variable is What39s measured data collected Must have a controlled group August 21 2015 NO CLASS
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