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29 Cards in this Set

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  • Back
Scientific Method
a systematic process that is used to gain knowledge about a specific natural phenomena
The Scientific Method is...
reliable, consistent, NON-arbitrary, and minimizes bias
Scientific Method is SOR - SYSTEMATIC
a series of steps must be followed (like a recipe)
Scientific Method is SOR - OBJECTIVE
the process must be free of personal bias
Scientific Method is SOR -REPEATABLE
by the experimenter his/herself or by another who follows the same process
Steps of SM: Ophedd - OBSERVATION
physical observatuibs, based on literature reviews
Steps of SM: oPHedd - PROBLEM & HYPOTHESIS
Identify a problem, formulate a hypothesis
Types of Hypothesis - NON-DIRECTIONAL
A =/ B
Types of Hypothesis - DIRECTIONAL
A > B or B > A
Types of Hypothesis -
NULL
A = B
Steps of SM: ophEdd - EXPERIMENT
Prediction, Design an experiment
Steps of SM: opheDd - DATA ANALYSIS
Stats, find the avg, st. dev, is data significant?
Independent Variable
Variable that the scientist controls/manipulates (the treatment)
Dependent Variables
Dependent upon the experimental treatment
Control Group
Goes through all the experimental steps but does not recieve the treatment being tested
Experimental Group
Goes through same steps as control group AND recieves the treatment being tested
All Living things are ORGANIZED
Organisms
Organ Systems
Organs
Tissues
Cells
Molecules
Atoms
Tissue
a group of cells with a similar function
Cell
Smallest structural and functional unit of living things
Population
all the members of a species that occupy a certain area
Community
a population of species that live in the same area
Ecosystem
Biological Community
Asexual Reproduction
One cells divides into two identical cells
Energy
The capacity to do work
Obtaining Energy through either:
Photosynthesis or food consumption
Stimulus
A change in the environment that we can detect and respond to
Minimizing energy, obtaining food, and reproducing are challenged by...
environmental chanes
Adaptation
Modifications in how we live in our environment
Evolution
process by which a species changes through time