BIO 121- Midterm Exam Guide - Comprehensive Notes for the exam ( 82 pages long!)

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16 Feb 2018
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Involves manipulating variables: repetitions is necessary, analyze and interpret results, record data, data: information gathered, statistical tests, repetition is necessary, experiments manipulate variables, variable, a condition that can change or be manipulated. System: network of relaionships among parts, elements, or components that interact with and inluence each other. Exchange of energy/mater/info structural spheres of earth"s systems. Lithosphere: all the rocks and sediment, crust of earth. Biosphere: the planets living organisms plus the abioic parts they interact with all these interact human scale: natural, economic, social, poliical systems. Feedback loop: circular process in which a systems output serves as an input to that same system. Dynamic equilibrium: processes are moving in opposite direcions but at equal rate so their efects balance out. Homeostasis: tendency of a system to maintain relaively constant or stable internal condiions. Posiive feedback loop: drives a system further toward an extreme instead of stabilizing it. Chemistry: the study of types of mater and their interacions.