Examlex
True or False: A sample is used to obtain a 95% confidence interval for the mean of a population.
The confidence interval goes from 15 to 19.If the same sample had been used to test the null
hypothesis that the mean of the population is equal to 20 versus the alternative hypothesis that the
mean of the population differs from 20, the null hypothesis could be rejected at a level of
significance of 0.02.
Evolutionary Events
Significant occurrences in the history of life that have led to changes in species over time, including mutations, gene flow, and natural selection.
Darwinian Puzzle
A term describing biological characteristics or behaviors that appear to contradict the principles of natural selection or survival advantage.
Eusocial Insects
Insects that live in highly cooperative societies, such as ants, bees, and termites, where there is division of labor and reproductive specialization.
Group Selection
A theory in evolutionary biology proposing that natural selection operates on groups or populations, favoring traits that benefit the group as opposed to the individual.
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