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27 Cards in this Set
- Front
- Back
steps for sd
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1. find mean
2.separately subtract values from the mean 3.square these resulting values 4. add all these squared values 5.divide by number of values minus 1(variance) 6.square root result of this |
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Characteristics comman to all life
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1. order
2. regulation 3. growth and development 4.energy utilization 5.response to the environment 6.reproduction 7. evolution |
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Core theme of biology?
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evolution
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Domains?
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eukarya,archea, bacteria
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kingdoms of archea?
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animilia, plantae, fungi
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wut r foodwebs
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a system of interlocking food chains within an ecosystem
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acronym of formal lab report and what it means?
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today i had my porridge really dry
title, intro, hypothesis, materials, procedure, results, discussion |
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what does a discussion consist of?
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statement of whether hupothesis is supported or not
conclusion expalining what u learned |
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acronym of experimental design and wut it means
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this ham is delightfully cooked crazily spicy
title, hypothesis/prediction, independent variable, dependent variable, control, controlled variable, summary |
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acronym for lab summary and wut it means
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in summer seasons change
intro, summary of what was done, summary of results, conclusion |
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Lab safety acro and wut it means?
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big kangaroos and tigers never need no incredibly red cables
-be aware of dangers -know safety d3vices -always wear goggles -tie back long hair -no loose clothes/hanging items -no fooling around -no food or drink -if ur unsure, ask -report accidents -clean work area |
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traits of bar graph?
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-discontinuous data
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which variables go on which axis
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dependent on y axis
independent on x axis |
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traits of histogram
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-continuous data
-represents frequency distributions -y axis shows frequency -dependent and independent variables |
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traits of pie graph
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-6 or less categories
-data for one variable is discontinuous -data for dependent variable is counts/proportion/percent |
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traits of scatter graph
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-data is continuous
-relayionship between teo interdependent variables -no independent variable |
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traits of line graph
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-independent variable affects dependent
-data is continuous for both variables -independent is usually time or treatment, dependent usually response -can have implied trend-one variable increases with another |
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good indicator of normal distribution
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mode, median, mean are all the same
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acro for characteristics of science and wut it means
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edward does not trick fools
explains and predicts,demands evidence, not authoritarian, involves teamwork, follows ethical principles |
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acro for scientific method and wut it means
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often people vacuum my room constantly
observation then qhita, planning, variables, methodm results, conclusion |
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wuts control
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trial with no manipulation, provides starting point
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wut independent variable
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variable being manipulated
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wuts dependent variable
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variable being measured
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controlled variable
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variables that may affect results and need to needto be kept consistent
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planning consists of...?
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hypothesis/question answered through controlled experiment where variables r manipulated and measured to provide a definitve answer
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wut does method consist of
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-independent variable includes control
-minumum of 3 trials and 3 manipulations within each trial |
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conclusion consists of...?
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-data is analyzed and cinclusion is made with respect to the hypothesis
-include research supporting conclusion -include errors and outside factors |