News Stories on Populations & Ecosystems
Top Predators Key to Ecosystem Survival (MSNBC.com)
A new study reveals how ecosystems crumble without the presence of top predators
keeping populations of key species from growing too large.
http://www.msnbc.msn.com/id/13939039
Scientists Discover 8 New Species (CBS News)
Israeli scientists discover an ancient, underground ecosystem containing eight previously unknown species.
http://www.cbsnews.com/stories/2006/06/02/ap/tech/mainD8HVOLNO0.shtml