Examlex
The sizes of eyes in a population of spiders are monitored over several generations.The average eye size does not noticeably change, but the range of variation decreases.Assuming that no other evolutionary processes are occurring, what type of selection is most likely taking place?
Technological Progress
Advances in technology that improve the efficiency of production processes, leading to higher output with the same or lower input levels.
Total Fertility Rate
The average number of children that would be born to a woman over her lifetime in a specific population or country.
Birthrate
The number of live births per thousand of the population per year, reflecting the growth rate of a population.
Replacement Rate
Replacement rate refers to the percentage of a worker's pre-retirement income that is paid out by a pension program upon retirement, indicating the level of income continuity after retirement.
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