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Biology Ch 19.1

Ch.19 vocab

population a group of organisms of the same species that live in a specific geographical area and interbreed
population density the number of individuals of the same species that live in a given unit of area
dispersion in optics, the process of separating a wave (such as white light) of different frequencies into its individual component waves (the different colors)
birth rate the number of births that occur in a period of time in a given area
death rate the number of deaths occurring in a period of time
life expectancy the average length of time that an individual is expected to live
age structure the classification of members of a population into groups according to age or the distribution of members of a population in terms of age groups
survivorship the percentage of newborn individuals in a population that can be expected to survive to a given age
Created by: SchmidtE20