Examlex
During the Han dynasty
Inclusive Fitness
A concept in evolutionary biology that refers to an individual's genetic success as measured not only by its own offspring but also by the offspring of its relatives, considering the shared genetic heritage.
Altruism
The principle or practice of concern for the welfare of others, often at the expense of one's self-interest.
Reproductive Success
The extent to which an organism passes its genes to the next generation, often measured by the number of offspring that survive to reproduce.
Lever
A rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
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