Set: GOHS Biology - Ch. 35

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All 19 Terms

Term Definition
population density number of individuals of a particular species per unit area or volume
exponential growth growth of a population that multiplies by a constant factor at constant time intervals
limiting factor condition that restricts a population's growth, such as space, disease, and food availability
carrying capacity number of organisms in a population that an environment can maintain
density-dependent factor factor that limits a population more as population density increases
density-independent factor factor unrelated to population density that limits a population
age structure proportion of people in different age groups in a population
interspecific competition competition between species that depend on the same limited resource
competitive exclusion one species succeeding over another when the growth of both species is limited by the same resource
niche unique living arrangement of an organism defined by its habitat, food sources, time of day it is most active, and other factors
predation interaction in which one organism consumes another
symbiotic relationship close interaction between species in which one species lives in or on the other
parasitism relationship in which a parasitic organism obtains its food at the expense of a host organism
mutualism type of symbiotic relationship in which both organisms involved benefit
commensalism symbiotic relationship in which one organism benefits, while the other organism is neither harmed nor helped
ecological succession series of changes in the species in a community, often following a disturbance
primary succession process by which a community arises in a virtually lifeless area with no soil
secondary succession change following a disturbance that damages an existing community but leaves the soil intact
introduced species species moved by humans to new geographic areas, either intentionally or accidentally

Set Information

Terms 19
Creator hiseagleson
Created June 6, 2007
Groups None
Subjects gohs, ecology
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Most Missed Words

  1. density-dependent factor → factor that limits a population more as population density increases - 3 misses
  2. symbiotic relationship → close interaction between species in which one species lives in or on the other - 2 misses
  3. commensalism → symbiotic relationship in which one organism benefits, while the other organism is neither harmed nor helped - 1 miss
  4. interspecific competition → competition between species that depend on the same limited resource - 1 miss
  5. carrying capacity → number of organisms in a population that an environment can maintain - 1 miss
  6. predation → interaction in which one organism consumes another - 1 miss
  7. density-independent factor → factor unrelated to population density that limits a population - 1 miss