list and explain the two dynamic processes that are characteristic of all ecosystem

Answer 1

Since this is not my area of expertise, I searched Google under the key words "ecosystem processes" to get these possible sources:

http://managingwholes.com/-ecosystem-processes.htm
http://www.greenfacts.org/glossary/def/ecosystem-processes.htm
(Broken Link Removed)

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search.

I hope this helps. Thanks for asking.

Answer 2

which organism is least affected by a sudden change in its ecosystem