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HBiology(Scientific)

Question/TermAnswer
List the order of life regarding humans, start with Atom... Atom Molecules Cells Tissue Organs Organ Systems Organism
List Characteristics of life(7)...All Organisms... Have one or more cells Require energy Require water Reproduce React to their environment Evolve and Adapt Grow and Develop
Multi-cellular Organisms? Start as ONE cell then this cell SPLITS producing more cells
Differentiation? Cells become SPECIALIZED(heart cells/neurons)
Homeostasis? Keeping a CONSTANT Internal environment around a cell(organism) can change, inside must stay the same
Autotrophs? Require energy from SUN(Plants)
Heterotrophs? Require energy from OTHER ORGANISMS(Animals)
Cells can only be produced by... Pre-existing Cells(in order to continue a species life)
(regarding growth and development) Single Cells... Only GROW
(regarding growth and development) Multi-Cellular... GROW and DEVELOP
Scientific Theory? EXPLANATION of something occurring in the natural world based on a BODY OF EVIDENCE that has been REPEATEDLY CONFIRMED through OBSERVATION and EXPERIMENT until proven otherwise
Cell Theory? All organisms are MADE up of cells
Scientific Method? PROCESS of STEPS used in order to ACQUIRE scientific information
List Scientific Method(4) Observation Hypothesis Experiment Conclusion
Observation of Scientific Method? NEW observations are made and PREVIOUS DATA is studied
Hypothesis of Scientific Method? INPUT from various sources are used to FORMULATE a TESTABLE STATEMENT
Experiment of Scientific Method? The Hypothesis is TESTED by experiment or further observations
What makes a well designed study? Eliminate BIAS Eliminate unnecessary VARIABLES The LARGER the study group, the BETTER LONGER length of study
Placebo? Have a SUGAR PILL group(Control) and STUDY group(single blinded)
Double Blinded? Neither RESEARCHES nor PARTICIPANTS know who are study and who are control
Conclusion of Scientific Method? Results are ANALYZED and Hypothesis is SUPPORTED or REJECTED, If other studies support this, then it becomes Scientific Theory
Abstract(Peer Review Articles)? Overview of study, SUMMARY
Methods and Materials(Peer Review Articles)? Study design, DETAIL
Results(Peer Review Articles)? Broad DATA
Raw Data(Peer Review Articles)? Tables, Graphs and P-Values
Discussion(Peer Review Articles)? Editorial, Rational and Ideas for further study
In order for Publication... All studies must be REPEATABLE and must show SIMILAR RESULTS
Statistically Significant? 95% +
The lower the P-Value... The BETTER the results
Is .0005(x100) better than .005(x100) Regarding P-Value? YES, .05% compared to .5%
Created by: spanish09
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