The greatest age reached by any member of a species is called the life span . This term differs from life expectancy , which is an average age based on population data. Understanding these terms is essential in biology and ecology for studying species longevity. ;
The correct answer is B. Life span , which refers to the maximum age reached by any member of a species. This is different from life expectancy , which is an average age based on population health. Life course refers to individual life stages and experiences, making these terms distinct in biology.
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