<Ul> <Li> Algae </Li> <Li> Biofilm </Li> <Li> A number of species of frogs prefer stagnant water . </Li> <Li> Some species of turtles <Ul> <Li> Mata mata </Li> </Ul> </Li> </Ul> <Li> A number of species of frogs prefer stagnant water . </Li> <Li> Some species of turtles <Ul> <Li> Mata mata </Li> </Ul> </Li> <Ul> <Li> Mata mata </Li> </Ul>

What is the first molecule to disappear when water becomes stagnant in a wetland