CSU LIFE 102 - Lecture Notes Section 1 (1) (15 pages)

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Lecture Notes Section 1 (1)



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Lecture Notes Section 1 (1)

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Pages:
15
School:
Colorado State University- Fort Collins
Course:
Life 102 - Attributes of Living Systems (GT-SC1)

Unformatted text preview:

LSCC102 LECTURE NOTES by E PILON SMITS TEXT BIOLOGY 7 TH EDITION BY CAMPBELL These notes could be a good example of how your own summary that you use to study for an exam could look like Use these notes to complement or check your own lecture notes summaries They also give a good idea of the material you should focus on for an exam Note since these notes were originally made in 1998 for an earlier edition of Campbell there may be some things in here that were not presented in class later on or vice versa In case of doubt check with your instructor But most things are still the same SECTION 1 CHAPTERS 1 6 THE COMPONENTS OF CELLS CHAPTER 1 Biology is the study of life An organism is alive if it shows metabolism reproduction growth and development response to environment BIOLOGY STUDIES LIFE IN ALL ITS FORMS AND AT ALL LEVELS OF ORGANIZATION AND TIME Organization levels sub microscopic global Time levels nanoseconds billions of years BIOLOGY is a broad MULTI DISCIPLINARY science It has many sub disciplines focusing on different organization time levels Most scientists use the hypothetico deductive method or scientific method Question Hypothesis Experiment Accept or reject hypothesis LIFE IS AT THE SAME TIME VERY UNIFORM AND VERY DIVERSE diversity is exhibited mainly at the organismal level visible uniformity is exhibited mostly at the molecular and cellular level sub microscopic Uniformity Diversity all organisms are made up of cells cellular structures and processes are very similar in all organisms cell structure may differ Prokaryotes vs Eukaryotes number of cells may differ unicellular vs multicellular the way organisms acquire food differs autotrophs vs heterotrophs 1 CHAPTER 2 LIVING MATTER CONSISTS OF 25 ELEMENTS 96 of living matter is carbon C oxygen O hydrogen H or nitrogen N know these 4 Most of the other 4 are calcium Ca phosphorus P potassium K sulfur S sodium Na chlorine Cl and magnesium Mg In addition 14 trace elements are present and necessary in very



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