ZOOSPORE • DICTIONARY ONE.COM • Definition of Zoospore

... infinitum, unless we get to true organic atoms, the true gemmules, whatever they may be, and they necessarily will be incapable of any process of spontaneous fission. It is remarkable that Mr. Darwin brings forward in support of gemmule fission, the observation that "Thuret has seen the zoospore of an alga divide itself, and both halves germinate." Yet on the hypothesis of Pangenesis, the zoospore of an alga must contain gemmules from all the cells of the parent algae, and from all the parts of all their less remote ancestors in all their stages of ...

— On the Genesis of Species • St. George Mivart