Create an account
the process of scientific inquiry that uses the steps of the scientific method to answer questions about nature
A tentative explanation that a scientist proposes for a specific phenomenon that has been observed
A test under controlled conditions that are made to demonstrate a known truth, examine the validity of a hypothesis, or determine the efficacy of something previously untried.
A component of the process of science whereby a scientist carries out two parallel tests, an experimental test and a control by one factor, the variable
All the organisms in a given area, along with the nonliving (Abiotic) factors with which they interact; a biological community and its physical environment
An assemblage of all the organisms living together and potentially interacting in a particular environment
A group of interacting individuals belonging to one species and living in the same geographic area.
An integrated group of similar cells that perform a specific function within a multicellular organism
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