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New Species Evolve from Older Ones

question 21

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New species evolve from older ones. Why is it difficult to demonstrate this process?


Definitions:

Confidence Interval

An aggregation of values, through the analysis of sample data, projected to enclose the secret value of a population trait.

Waiting Time

The time that elapses from a point of request until the commencement of a service or response.

Unemployment Rate

The percentage of the labor force that is jobless and actively looking for employment.

Margin of Error

An expression of the amount of random sampling error in a survey's results, representing how much the results might differ from the true population value.

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