Examlex
Nitrogen is colorless because the minimum energy to excite an electron is in the ultraviolet section of the spectrum.
Homeostasis
The self-regulating process by which biological systems maintain stability while adjusting to conditions that are optimal for survival.
Reproductive Success
The passing of genes onto the next generation in a way that they too can pass on those genes.
Goal-directed Behaviour
Actions taken towards achieving specific outcomes or objectives.
Motivation
The set of psychological forces that compel individuals to take action towards achieving their goals.
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