2.Why are biologists concerned about ecosystem disruption?

1.Explain the process of succession.
Succession is a natural change in the area that results in one group of plants replacing a group before.

for #1 that is all I have so if you could give me a website that would be great, and for #2, I have no clue so if you could PLEASE give me websites, I am not looking for answers just a little bit of information

4 answers

http://www.course-notes.org/Biology/Outlines/Chapter_55_Conservation_Biology_and_Restoration_Ecology

http://www.countrysideinfo.co.uk/successn/summary.htm

thanks so much

You're very welcome.

ooop