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3.3 Survivorship Curves

Part of Populations in AP® Environmental Science. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

A survivorship curve is a line that displays the relative survival rates of a cohort, a group of individuals of the same age, in a population, from birth to the maximum age reached by any cohort member. Survivorship is usually plotted on a logarithmic y-axis (number surviving) against age on the x-axis. The shape reveals when most deaths occur.

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