Chapter 54

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Department
Biological Sciences
Course
BIOA02H3
Professor
Kamini Persaud
Semester
Winter

Description
A population consists of the individuals of a species within a given area. The age distribution of individuals in a population and the way those individuals are spread over the environment describe its population structure Population density is the number of individuals of a population per unit of area Demographic events are events that change the structure of the population such as death, birth, migration and emigration Molecular markers are used such as hydrogen isotopes to determine where birds molt during their migrations Counting ever individual in a population is sometimes impossible so statistical methods are used to estimate population size from samples N1 is the number of marked individuals in the first sample N2 is the number of individuals in the second sample
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