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27 Cards in this Set

  • Front
  • Back
steps for sd
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
Characteristics comman to all life
1. order
2. regulation
3. growth and development
4.energy utilization
5.response to the environment
6.reproduction
7. evolution
Core theme of biology?
evolution
Domains?
eukarya,archea, bacteria
kingdoms of archea?
animilia, plantae, fungi
wut r foodwebs
a system of interlocking food chains within an ecosystem
acronym of formal lab report and what it means?
today i had my porridge really dry
title, intro, hypothesis, materials, procedure, results, discussion
what does a discussion consist of?
statement of whether hupothesis is supported or not
conclusion expalining what u learned
acronym of experimental design and wut it means
this ham is delightfully cooked crazily spicy
title, hypothesis/prediction, independent variable, dependent variable, control, controlled variable, summary
acronym for lab summary and wut it means
in summer seasons change
intro, summary of what was done, summary of results, conclusion
Lab safety acro and wut it means?
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
traits of bar graph?
-discontinuous data
which variables go on which axis
dependent on y axis
independent on x axis
traits of histogram
-continuous data
-represents frequency distributions
-y axis shows frequency
-dependent and independent variables
traits of pie graph
-6 or less categories
-data for one variable is discontinuous
-data for dependent variable is counts/proportion/percent
traits of scatter graph
-data is continuous
-relayionship between teo interdependent variables
-no independent variable
traits of line graph
-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
good indicator of normal distribution
mode, median, mean are all the same
acro for characteristics of science and wut it means
edward does not trick fools
explains and predicts,demands evidence, not authoritarian, involves teamwork, follows ethical principles
acro for scientific method and wut it means
often people vacuum my room constantly
observation then qhita, planning, variables, methodm results, conclusion
wuts control
trial with no manipulation, provides starting point
wut independent variable
variable being manipulated
wuts dependent variable
variable being measured
controlled variable
variables that may affect results and need to needto be kept consistent
planning consists of...?
hypothesis/question answered through controlled experiment where variables r manipulated and measured to provide a definitve answer
wut does method consist of
-independent variable includes control
-minumum of 3 trials and 3 manipulations within each trial
conclusion consists of...?
-data is analyzed and cinclusion is made with respect to the hypothesis
-include research supporting conclusion
-include errors and outside factors