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Chapter 19.1
Chapter 19.1 vocab
Term | Definition |
---|---|
population | a group of organisms that belong to the same species and live in a particular place at the same time |
population density | measures how crowded a population is |
dispersion | the spatial distribution of individuals within the population |
birth rate | the number of births occurring in a period of time |
death rate | the number of deaths in a period of time |
life expectancy | how long on average an individual is expected to live |
age structure | the distribution of individuals among different ages in a population |
survivorship curve | show the probability that members in a population will survive to a certain age |