 Maureen O’Malley (2016) has drawn attention to other cases that pose more radical challenges to the standard ways of thinking of life cycles themselves. An example is the asexually reproducing, multicellular protist Volvox carteri (green algae), whose “sexual phase of the life cycle is nonreproductive because there is no multiplication” (O’Malley 2016: 838). This kind of sexual recombination occurring between members of asexually reproducing generations takes on a striking form in ciliates, such as Tetrahymena, whose micronucleus provides germ-line isolation. Whether O’Malley’s concept of multigenerational individuals can be squared with extensions of standard views of reproduction and life cycles remains subject to further exploration.