Create an account
explaining the ecological and historical reasons for the observed geographic distributions of organisms
method of phylogeny reconstruction and system of classification that groups organisms according to the explicit definition of uniquely shared and derived characteristics
branching/bifurcating diagram; shows evolutionary relationships; depicts points where species diverged
real or hypothetical taxon from which two evolutionary lineages are directly descended
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