Populations of All Organisms Change from One Generation to the Next

question 74

Multiple Choice

Populations of all organisms change from one generation to the next because their DNA changes over time.This is known as:

• A) artificial selection.
• B) biological evolution.
• C) natural selection.
• D) artificial selection and natural selection only
• E) developmental selection.

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Definitions:

Pooled Proportion Estimate

A method to estimate the combined proportion of two or more groups by pooling their successes and trials.

Proportion of Successes

It is the fraction of successes in a series of Bernoulli trials, representing the number of successes divided by the total number of trials.

Sample Sizes

The number of individuals or observations included in a sample, crucial for determining the study's statistical power.

Expected Value

The expected value is a measure of the central tendency of a random variable, representing the average outcome one would anticipate over an infinite number of trials.