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This stack of flash cards was made by Myles Reed for his life science final exam

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Symbiosis   any relationship in which two species live closely together  
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Commensalism   a relationship in which one organism benefits and the other organism is not harmed or helped  
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Mutualism   a relationship in which both species benefit  
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Parasitism   a relationship in which one organism benefits while the other organism is harmed or hurt  
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Direct Observation   count all individuals in an area  
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Indirect Observation   count signs of organisms, such as nests  
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Variable   factor in an experiment that can change  
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Hypothesis   a testable explanation of a situation  
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Volume   the amount of space an object takes up  
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Mass   the amount of matter in an object (how much of something there is)  
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Temperature   a measure of the amount of heat an object gives off  
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Population Density   the number of individuals in a given area  
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Exponential Growth   when individuals in a population reproduces at a constant rate  
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Logistic Growth   when a population's growth rate slows and stops after a period of exponential growth  
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Emigration   the movement of individuals into an area  
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