It suggests that the rotifers can last thousands of years frozen, if not indefinitely. Rotifers are multicellular animals that belong to their own distinct ancient phylum (meaning they are ...

Bdelloid rotifers, microscopic animals found nearly all in freshwater ecosystems worldwide, lack the enzymes that most animals use to silence regions of their genome by attaching chemical tags called ...

These ancient creatures, known as bdelloid rotifers, survived in a state of cryptobiosis, halting all biological activity until conditions became favorable again. Once thawed, they not only ...