The two chief kinds of gemmation are terminal and lateral.
Both fission and gemmation when incomplete lead to the formation of colonies.
Gemmation is a far commoner occurrence amongst the simpler than amongst the more highly organised forms.
Gemmation is by far the most widely disseminated of the two.
The organisms produced by gemmation are not always similar at birth to the parent; e.
This mode of gemmationis connected by a series of gradations with the normal external gemmation.
An interesting variation in it is the internal gemmation of many of the Acineta, where a portion of the internal protoplasm with part of the nucleus is separated off to form a fresh individual.
Reproduction by gemmation has hitherto been observed only in the social Radiolaria, but in them it appears to be widely distributed, and in very young colonies is perhaps almost universally present.
Reproduction by gemmation is much less common, and has hitherto been observed only in the Polycyttaria (s 214).
If this fact were fully established, it would, by the aid of our hypothesis, connect gemmation and sexual reproduction in the closest manner.
That they are independent organisms derived by fission or gemmation from pre-existing Bacteria and Torulæ.
The very same continuous gemmation which has produced an Eozoon would produce an equal mass of independent Globigerinæ, if after eight or ten repetitions of the process, the new segments were to detach themselves.
On the other hand in Cycloclypeus, which is a discoidal structure attaining two and a quarter inches in diameter, the number of segments formed by continuous gemmation must be many thousand.
In the next group the gemmation takes a spiral bias, producing the nautilus shape which misled the earlier naturalists.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "gemmation" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: development; growth; maturation; outgrowth; procreation; reproduction; vegetation
