genetic variation

differences in the observable characteristics (phenotype) of the members of a population or species due to spontaneous or environmentally induced genetic alterations or rearrangements. Genetic variation is the basis for natural selection. In one set of conditions, those with certain features will have higher reproductive success, but if conditions change, then individuals with other features might be favored.

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Psychology term of the day

September 1st 2024

economy

1. any system of rules and regulations by which something is managed; for example, a token economy is one in which a behavioral system is managed according to the disbursement of tokens as rewards.

2. management of resources in order to maximize efficiency or returns (material or psychological) and to avoid waste.