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BI Lab 2

scientific method process of making observations, asking questions, proposing explanations (hypothesis), designing experiments, predicting results, collecting and analyzing data, interpreting you results, and drawing conclusions
hypothesis a possible explanation of the observation or a possible answer to the question
endosymbiont species that lives harmoniously inside another organism
controlled experiment designed to produce results that allow you to either retain or reject the hypothesis
experimental group one factor (the independent variable) is altered in some manner
independent variable the variable or factor that the investigator changes (or manipulates) during the experiment in hopes of affecting the dependent variable
dependent variable what the investigator measures as the outcome of a change in the independent variable
control group the test is performed under the same conditions as in the experimental group except that no change is made to the independent variable
controlled variables variables that are held constant
behavior a response (movement or activity) of an organism to an internal or external stimulus
orientation type of behavior pattern in which an organism turns its body or moves either toward or away from a certain stimulus in the environment
kinesis a simple type of orientation behavior in which an animal changes its rate of locomotion in response to a stimulus
slow down, speed up animals often ________________ locomotion in response to stimuli that are indicative of a favorable environment and ___________________ locomotion in response to stimuli that are indicative of an unfavorable environment
anthropomorphic to attribute human feelings and emotions to other organisms
necromones chemicals (fatty acids such as oleic acid or linoleic acid) that are released from dismembered or dead animals (perhaps killed by a predator)
Created by: pace_sauce