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 Yyyu Dissertation
  • 04.09.2019
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Sarcodina, the greatest phylum (11, 500 living species and 33, 000 fossil species) of protozoans). It includes the amebas and related organisms; that happen to be all one cells that move and capture food by means of pseudopods, flowing momentary extensions in the cell. The majority of sarcodines are free living; other folks are parasitic. One of these parasitic organisms is the instrumental organism of amebic dysentery. With the exception of chloroplasts, sarcodines are similar to the ameboid members with the phylum Chrysophyta. Sarcodines might reproduce asexually by cellular division, frequently without malfunction of the nuclear envelope that is typical in mitosis, or perhaps sexually by simply meiosis as well as the production of haploid gametes, followed by fusion of gametes and the formation of zygotes. Sarcodina /SarВ·coВ·diВ·na/ (-diВґnah) a subphylum of protozoa including organisms that alter all their body shape which move about and acquire meals either through pseudopodia or perhaps by protoplasmic flow with no producing discrete pseudopodia. Phylum Sarcodina

The sarcodines are a far more familiar band of protists than the mastigophores.

The most popular example of a sarcodine is a famous amoeba. Lacking any rigid framework outside of all their cell membrane layer, sarcodines may freely alter their form and contact form pseudopodia. Sarcodines can reside in both freshwater and marine environments. They can reproduce equally asexually and sexually, and they are generally usually free-living. Like mastigophores, sarcodines work with pseudopodia to advance and get food. Although the amoeba is mostly thought of as lacking any framework, some include shells, and a lot other types of sarcodines also have covers. One course of sarcodines, the foraminiferans, possess calcareous shells (they are made of CaCO3). Radiolarians also have shells, nevertheless theirs have silica. As the latter two groups generally live in deep sea environments, the heliozoans reside in freshwater. They too can possess shells which contain silica. Sarcodines reproduce sexually by syngamy...


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