Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

Outlines the types of relationships that exist between organisms in an ecosystem


Both organisms benefit from the relationship


One member of the association benefits and the other is unaffected


a relationship in which one organism is harmed and the other is unaffected


where two organisms fight for the same resource


one organism benefits while the other is harmed


One species kills the other for food


An organism lives in or on a host. The host suffers but usually does not die.

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!


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

Voice Recording