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21 terms

APES Miller 16th Ed. Ch. 5 Vocabulary

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interspecific competition
in a community competition for resources between members of different species
predation
interaction in which one organism captures and feeds on another organism
parasitism
symbiotic relationship in which one organism lives in or on another organism (the host) and consequently harms it
mutualism
symbiotic relationship in which both species benefit from the relationship
commensalism
symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed
prey
an organism that is killed and eaten by another organism
predator-prey relationship
relationship that has evolved between two organisms, in which one organism has become the prey for the other
coevolution
evolution in which two or more species interact and exert selective pressures on each other that can lead each species to undergo adaptations
resource partioning
Species end up sharing or splitting the resource, which makes them no longer in competetion (Hawks & Owls--different time)
population dynamics
The study of how complex interactions between biotic and abiotic factors influence variations in population size.
age structure
the distribution of individuals among different ages in a population
biotic potential
the maximum reproductive rate of an organism, given unlimited resources and ideal environmental conditions
intrinsic rate of increase
rate at which the population of a species would grow if it had unlimited resources
environmental resistance
All the limiting factors that act together to limit the growth of a population.
carrying capacity
largest number of individuals of a population that a environment can support
logistic growth
Growth rates regulated by internal and external factors that establish an equilibrium with environmental resources
secondary succession
refers to the channges after a communty is disrupted after a natural disaster or human actiona
inertia
The reluctance of any organism to change its state of motion
nonnative species
Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans.
primary succession
an ecological succession that begins in a an area where no biotic community previously existed
resilience
the ability to recover