what word is the definition of "all of the populations in a given area." and some examples
Hmmmm. I suspect you are looking for ecosystem: all the interacting populations in a given area.
examples? google ecosystems
http://forest.mtu.edu/kidscorner/ecosystems/definition.html
http://www.geography.learnontheinternet.co.uk/topics/ecosystem.html
http://www.google.com/search?q=ecosystems+examples&tbm=isch&tbo=u&source=univ&sa=X&ei=AqYzUuTwPMeErQHl4IHACg&sqi=2&ved=0CE8QsAQ&biw=711&bih=453&dpr=1
Yeah it's ecosystem.
but on the wkst ecosystem is already there
i was thinking community
It's a poorly worded question, since three of us believed it was ecosystem. However, check this site.
http://animals.about.com/od/zoologybasics/a/communitiesecosystems.htm
it says all of the population in a give area
and i have to find what it is.
and for ecosystem i need to describe it and give ex
I think community is your answer.
Please study the websites I posted for you.