Create an account
structure, behavior, or other trait in an organism that helps it to survive in its environment.
a type of symbiosis in which one species benefits while the other seems to be unaffected.
all the organisms that live in an area together with the nonliving things in the environment.
a type of symbiosis that occurs when an organism called a parasite feeds on the cells, tissues, or fluids of another organism call a host.
chemical process by which plants use light energy to make sugar from water and carbon dioxide.
a group of organisms that can mate and produce offspring that in turn can produce more offspring.
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