Ecologists face mysteries all the time. Here’s one of the biggest ones right now: Why are frogs, toads, and other amphibians dying off so quickly? Could parasites be the cause? Pollution? Or could it be something else?
Scientists are worried about the amphibians. More than most animals, amphibians are sensitive to changes in their environment. Whatever’s going on, it could be an early warning of problems ahead for humans. Ecologists examine the world around us. They try to figure out what’s wrong and maybe even how to fix it.
