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all of the biotic and abiotic factors in the are where an organism lives
habitat
composed of all of the physical, chemical, and biological factors that a species needs to stay healthy or reproduce
ecological niche
two species are competing for the same resources
competitive exclusion
species that occupy similar niches but live in different geographical regions
ecological equivalents
occurs when two organisms fight for the same limited resources
competition
the process by which one organism captures and feeds upon another organism
predation
a close, ecological relationship between two or more organisms of different species
symbiosis
an interspecies interaction in which both organisms benefit from another
mutualism
a relationship between two organisms in which one recieves an ecological
commensalism
a relationship similar to predation in that one organism benefits while the other is harmed
parasitism
a measurement of the number of individuals living in a defined space
population density
the way in which individuals of a population are spread in an area or volume
population dispersion
generalized diagram showing the number of surviving members over time from a measured set of births
survivorship curve
the movement of individuals into a population from another person
immigration
the movement of individuals out of a populations and into another
emigration
occurs when a population size increases dramatically over a period of time
exponential growth
a population begins with a period of slow growth followed before leaving off at a stable size
logistic growth
the maximum number of individuals of a particular species that the environment can normally and consistently support
carrying capacity
a dramatic decline in the size of a population over a short period of time
population crash
the factor that has the greatest effect in keeping down the size of a population
limiting factor
limiting factors that are affected by the number of individuals in a given area
density-dependent limiting factors
the aspects of the environment that limit a population's growth regardless of the density of the population
density-independent limiting factors
the sequence of biotic changes that regenerate a damaged community or create a community in a previously uninhabited area
succession
establishment and development of an ecosystem
primary succession
the first organisms that lived in previously uninhabited area
pioneer species
Author
8thgradeclass
ID
272604
Card Set
Bio
Description
ch.14
Updated
5/4/2014, 12:34:45 AM
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