There are two basic life-cycle patterns among animals. Many animals have complex life cycles with two or more very distinct stages; metamorphosis is the usual term for the often-radical changes that ...

You’re probably familiar with the basic amphibian life plan: Start as a wriggly water-breathing tadpole, transform into an adult that breathes air. This is the pattern followed by all our frogs and ...

COLUMBIA, Mo. - Frogs are croaking in clear-cut forests, but not exactly in their traditional manner. University of Missouri researchers found that removing all of the trees from a section of the ...

CORVALLIS, Ore. – Even though they had the ability to evolve and survive for hundreds of millions of years - since before the time of the dinosaurs and through many climatic regimes - the massive, ...