Zoospore which has passed into the amoeboid state.
The zoospore is usually a pyriform mass of naked protoplasm, the beaked end of which where the cilia arise is devoid of colouring matter.
It is held that in Coleochaetea parenchyma results from the division of the oospore, from each cell of which a zoospore arises.
In Coleochaete this seems to be preceded by the formation of a minute parenchymatous mass, in each cell of which a zoospore is produced.
The so-called zoospore of Vaucheria is a coenocyte covered over with paired cilia corresponding in position to nuclei lying below.
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 algæ, and from all the parts of all their less remote ancestors in all their stages of existence.
The wall of the spore is ruptured and the protoplasmic content escapes as a zoospore indistinguishable so far from an amoeba, or from the zoospore of our chytridiaceous fungi.
This amoeboid zoospore is without cell-wall, changes its outline, and moves slowly by creeping or flowing from point to point.
A careful study of a zoospore will show that it swims in a peculiar manner.
After a short period of activity the zoospore comes to rest, loses all means of propulsion, germinates and grows into a new Ectocarpus plant.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "zoospore" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: amoeba; bacteria; germ; microorganism; spore
