New Species Evolve from Older Ones

question 21

Multiple Choice

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

• A) In the grand scheme of things, there are not that many species, so this is a rare event.
• B) There are none of the older species left.
• C) The process typically takes a very, very long time, so it's difficult to see it reach completion, even in a lifetime.
• D) New species don't evolve anymore, so we can't see it happen.
• E) New species simply don't evolve from older ones, so it's impossible to demonstrate it in the real world.

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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.