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Vocab 19.1
Understanding Populations
Term | Definition |
---|---|
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 ecology, the pattern of distribution of organisms in a population |
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 Curve | A graph of the mortality data of a population; indicates the probability that individuals will survive to any given age |