Vocabulary words from the AP Edition of Campbell Biology, Chapter 53.
208953469 | population | group of individuals of a single species living in the same general area | 0 | |
208953470 | density | number of individuals per unit area or volume | 1 | |
208953471 | dispersion | pattern of spacing among individuals within the population's boundaries | 2 | |
208953472 | mark-recapture method | a sampling technique used to estimate the size of animal populations | 3 | |
208953473 | immigration | influx of new individuals from other areas | 4 | |
208953474 | emigration | movement of individuals out of a population and into other locations | 5 | |
208953475 | territoriality | defense of a bounded physical space against encroachment by other individuals | 6 | |
208953476 | demography | study of vital statistics of populations and how they change over time | 7 | |
208953477 | life tables | age-specific summaries of the survival pattern of a population | 8 | |
208953478 | cohort | a group of individuals of the same age | 9 | |
208953479 | survivorship curve | a plot of the proportion or numbers in a cohort still alive at each age | 10 | |
208953480 | reproductive table | an age-specific summary of the reproductive rates in a population | 11 | |
208953481 | zero population growth | occurs when per capita birth and death rates are equal | 12 | |
208953482 | exponential population growth | growth of a population in an ideal, unlimited environment, represented by a J-shaped curve when population size is plotted over time | 13 | |
208953483 | carrying capacity | maximum population size a particular environment can sustain | 14 | |
208953484 | logistic population growth | per capita rate of increase approaches zero as the carrying capacity is reached | 15 | |
208953485 | life history | traits that affect an organism's schedule of reproduction and survival | 16 | |
208953486 | semelparity | reproduction in which an organism produces all of its offspring in a single event | 17 | |
208953487 | iteropraity | reproduction in which adults produce offspring over many years | 18 | |
208953488 | K-selection | density-dependent selection | 19 | |
208953489 | r-selection | density-independent selection | 20 | |
208953490 | density independent | describes a birth rate or death rate that doesn't change with population density | 21 | |
208953491 | density dependent | describes a death rate that rises as population density rises | 22 | |
208953492 | population dynamics | population fluctuations from year to year or place to place | 23 | |
208953493 | metapopulation | a number of local populations linked together | 24 | |
208953494 | demographic transition | movement of high birth and death rates towards low birth and death rates | 25 | |
208953495 | age structure | relative number of individuals of each age in the population | 26 | |
208953496 | ecological footprint | aggregate land and water area required by a person, city, or nation to produce all the resources it consumes and absorb all the waste it generates | 27 |