Examlex
When biologists talk about the "survival of the fittest," the fittest individuals are those that leave the most descendants rather than those that are physically the strongest.
Square Root
A value that, when multiplied by itself, gives the original number; it is represented by √.
Directly Proportional
A relationship between two variables where they increase or decrease at the same rate.
Wind Speed
A measure of the velocity of air movement at a particular location over a specified period of time.
Directly Proportional
A relationship between two variables where their ratio is constant.
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