Create an account
in a community competition for resources between members of different species
symbiotic relationship in which one organism lives in or on another organism (the host) and consequently harms it
symbiotic relationship in which one member of the association benefits and the other is neither helped nor harmed
relationship that has evolved between two organisms, in which one organism has become the prey for the other
evolution in which two or more species interact and exert selective pressures on each other that can lead each species to undergo adaptations
Species end up sharing or splitting the resource, which makes them no longer in competetion (Hawks & Owls--different time)
The study of how complex interactions between biotic and abiotic factors influence variations in population size.
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
All the limiting factors that act together to limit the growth of a population.
Growth rates regulated by internal and external factors that establish an equilibrium with environmental resources
refers to the channges after a communty is disrupted after a natural disaster or human actiona
Species that migrate into an ecosystem or are deliberately or accidentally introduced into an ecosystem by humans.
an ecological succession that begins in a an area where no biotic community previously existed
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together