Terms : Hide Images
| 7733372210 | Biotic Potential | The maximum reproductive rate an organism can have if they have unlimited resources and ideal environmental conditions | 0 | |
| 7733393376 | Exponential Growth | Growth at a constant rate of increase per unit time. J curve | 1 | |
| 7733404434 | carrying capactiy | The maximum number of individuals of one species that can be supported by a particular ecosystem on a long term basis | 2 | |
| 7733454812 | Population Crash | A sudden decline in population caused by predation, waste accumulation or resource depletion (also called dieback) | 3 | |
| 7733467132 | Logistic Growth | growth rates regulated by internal and external factors that establish an equilibrium with environmental resources. S curve | 4 | |
| 7733481541 | Density dependent factors | Biotic factors that tend to reduce population size when the population increases like food, space, diseases, predation. | 5 | |
| 7733493921 | Density Independent Factors | Bbiotic factors that may reduce population size regardless of size of population like fire, temp, floods, droughts | 6 | |
| 7733505702 | r-selected Species | Organisms with high reproductive rate (r) but little or no care to offspring which have high mortality. Ex: seeds, most insects | 7 | |
| 7733518167 | K-selected species | Organisms whose growth slows as the carrying capacity (K) of their environment is approached. Produce few offspring, care for young and have longer generation times. ex: elephants, wolves | 8 | |
| 7733532434 | Environmental Resistance | All the limiting factors that tend to reduce population growth rates and set the maximum allowable population size (carrying capacity) | 9 | |
| 7733539153 | Natality | ratio of number of births to the size of the population. birth rate | 10 | |
| 7733543163 | Mortality | ratio of number of deaths to the size of the populations. death rate | 11 | |
| 7733547810 | Immigration | number of individuals entering a population | 12 | |
| 7733551205 | Emigration | Number of individuals leaving a population | 13 | |
| 7733556000 | Life span | The longest duration of life reached by a type of organism | 14 | |
| 7733560320 | Survivorship | percentage of the population reaching a given age, or the proportion of the maximum life span of the species reached by any individual | 15 | |
| 7733569170 | Life expectancy | The average age that individuals born in a particular time and place can be expected to live | 16 | |
| 7733575732 | Biotic factors | caused by living organisms | 17 | |
| 7733580554 | Abiotic factors | caused by nonliving components of the environment. | 18 | |
| 7733589391 | Intrinsic factors | operating within individual organisms or between organisms of the same species | 19 | |
| 7733594214 | Extrinsic factors | Imposed from outside the population | 20 | |
| 7733597402 | Interspecific competition | competition for resources between members of a DIFFERENT species in a community | 21 | |
| 7733615283 | Intraspecific species | Competition for resources among members of the SAME species in a community | 22 | |
| 7733624050 | Island Biogeography | The study of rates of colonization and extinction of species on islands, or other isolated areas, based on size, shape and distance from inhabited regions. | 23 | |
| 7733631750 | Genetic Drift | The gradual changes in gene frequencies in a SMALL population due to random events. | 24 | |
| 7733639750 | Founder effect/demographic bottleneck | A population founded when just a few members of a specie survive a catastrophic event or colonize new habitat geographically isolated from other members of the same species | 25 | |
| 7733647865 | Minimum Viable population size | the number of individuals needed for long term survival of rare and endangered species | 26 | |
| 7733653769 | Metapopulation | a collection of populations that have regular or intermittent gene flow between geographically separate units. | 27 |
