Some animals matter so much to their ecosystems that losing them is like removing the keystone from an arch—the entire structure begins to collapse. These keystone species shape food webs, carve out ...

University of Delaware entomologist Doug Tallamy’s research has identified “keystone” plant species that make up the foundation of many U.S. ecosystems by producing food for native insects, thus ...

INDIANAPOLIS — It had been the knock on the Oregon Ducks and their old conference for what felt like an eternity. They’re too offensive-minded, too gimmicky, too leaky on defense. Too soft. So as the ...

Question: Yesterday I read that “oaks are a keystone species”. What exactly does that mean? Answer: A keystone species is a plant, animal or microorganism that is vitally important to its environment.

University of Delaware entomologist Doug Tallamy's research has identified “keystone” plant species that make up the foundation of many U.S. ecosystems by producing food for native insects, thus ...