Bio 111 Ch. 1 Notes
Bio 111 Ch. 1 Notes Biology 111
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This 3 page Class Notes was uploaded by Mallori Wisuri on Saturday January 30, 2016. The Class Notes belongs to Biology 111 at Ball State University taught by Dr. Metzler in Winter 2016. Since its upload, it has received 42 views.
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Date Created: 01/30/16
Bio 111 Exam 1 Ch. 1 Notes 1/12/16 What is a living thing? o Ex. bacteria, mushroom, algal cell, and dandelion Characteristics of Life (Seven) o Order-ex. Sunflower o Evolutionary adaption- ex. Sea creature o Respond to stimuli- ex. Venus fly trap o Reproduce- ex. Penguin o Grow and develop- ex. Nile crocodile o Energy processing- ex. Humming bird o Regulation- ex. Jack rabbit 1/14/16 and 1//16 Hierarchy of living things Lowest to highest (based of uniqueness) o Atoms: (not alive) There are things smaller then atoms, but atoms have unique properties. o Molecules o Simple: ex. Water, methane, oxygen gas o Macromolecules: ex. Proteins, nucleic acid, carbohydrates o Organelles: only for eukaryotic organisms o Cells: (single cellular organisms, this is the highest level of hierarchy that it can go) o Tissues: (multicellular organisms) o Organs and Organ systems o Organisms o Populations: all individuals of one species in a specific area. o Communities: populations put together; all of the different organisms in a specific area. o Ecosystems: community in your area plus all the nonliving components in that specific area. o Biosphere: put all ecosystems together. LC: Characters that connects living things to one another-their shared characteristics Three Domains of Life Domains override all kingdoms. Since looking at DNA sequences and protein sequences is why these three domains were created. o Bacteria: find prokaryotic cells o Eukarya: find eukaryotic cells -Fungi -Plantae -Animilia o Archaea: find prokaryotic cells Design a good scientific experiment -This is the framework of ordered steps to conduct a scientific investigation and is done to help scientist answer a question. -You see something, than ask why and then you go investigate. o Make an observation: visual observation of you noticing something and asking yourself why is that happening? Also, scientists will read other scientific papers and get an idea from reading not just seeing something. Why is what I saw happening and you come up with a question. Narrow question because the easier it will be to design an experiment. o Form a hypothesis: Key to entire scientific method. This is a testable statement, not a statement with if or then. Statement must be testable and collect data. Has to falsifiable which means there has to be a way that negative data can be collected or have the potential to be collected. Can be a pro or con. o Make a prediction: is the ‘if or then’ statement. Helps to test the hypothesis and come up with the setup of an experiment to perform. If I do this…. then this will happen…. o Perform the experiment: test your prediction. -Control group: group you have an expectation of what the results will be. Positive: expect to get a positive result Negative: expect to get a negative result Needed for comparison purposes. If you don’t have this experiment, your data means nothing! -Experimental group: give you data help you answer your question, you do not know the results. -Sample size: o Analyze the data o Report your findings o Invite others to reproduce the results LC: Which is a NOT good scientific hypothesis? A full moon causes an increase in the crime rate. Wrong with the statement: The moon is always there Question is not as narrow or specific What’s an increase exactly, give a number Question can’t be falsifiable Crime is too broad Differentiate hypothesis and theory o
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