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Principles of Biology (Week 1-2)

by: Jonathan Thomas

Principles of Biology (Week 1-2) Bio 100

Marketplace > Brigham Young University > Life Sciences > Bio 100 > Principles of Biology Week 1 2
Jonathan Thomas

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About this Document

Notes from weeks one and two of Professor Jensen's BIO 100 course. There was a glitch in the system so I couldn't get these uploaded until now but hey, better late than never, eh? In the first t...
Principles of Biology
Dr. Jamie Jensen
Class Notes
Biology, jensen, byu, Science, Principles of biology
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This 2 page Class Notes was uploaded by Jonathan Thomas on Saturday September 17, 2016. The Class Notes belongs to Bio 100 at Brigham Young University taught by Dr. Jamie Jensen in Fall 2016. Since its upload, it has received 10 views. For similar materials see Principles of Biology in Life Sciences at Brigham Young University.


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Date Created: 09/17/16
BIO 100,   Principles of Biology,   Jensen    Class Notes (Week 1­2)    Steps to the Scientific Method:  1: Puzzling Observation  2: Causal Question: “Why?”  3: Hypothesis: possible explanation of your causal question  4: Design Experiment:  5: Prediction: if “x” happens, then “y” should happen  6: Conclusion: Hypothesis supported or not    Three Types of Variables in Experiment:  1: Dependent: What happens as a result of the experiment  2: Independent: What you are changing  3: Control: What you keep the same    Why can’t we prove anything in science: there’s always some other explanation out  there.    Types of Study:  ­ Correlation: Whe ​ n two things ​ orrelate in their effect on each other  ­ Causation: W ​ hen one thing c ​ auses the other    Primary: Peer­reviewed, first­hand written  Secondary: Somebody reporting ON a primary research  Anecdotal: It’s only true based on personal view. (Sometimes spurs the creation of  Primary research.)    Observation: You seeing a phenomenon   Hypothesis: Possible explanation for an observation  Theory: A “Model” of constructed hypotheses   Law: Something that always holds true    Homology: Share a common ancestry  Analogy: Traits look the same (because of environment) but don’t share common  ancestors        Vestiges: Qualities we all have but are unused   ­ Coccyx (tailbone)  ­ Appendix  ­ Hair standing up on end  ­ Man’s nipples  Atavism: A physical trait you shouldn’t have but somehow your genes get mutated and  you get it.  ­ Third nipple  ­ Tail    Evidence of Evolution :  ­ Morphology: looking at the anatomy  ­ Embryology: looking at embryos   ­ Fossils  ­ Rock structure     Chromosomes:  ­ Centromere: point where chromosomes connect  ­ Telomere: The tips of the chromosomes   


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