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Chp. 19, Section 1
Vocab for 19.1 Biology
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 | Shows the probability that members of a population will live to a certain age |