Protis a Primer

Protists: A Primer Cesar Colon 19 May 2011 Protists: A Primer 1. Introduction Protists atomic number 18 an passing large, widely diverse kingdom of organisms which complicates what have traditionally been called protozoa, algae, and demean fungi. In general, Protists have characteristics of animals, or plants, or both(prenominal). Protists atomic number 18 eukaryotic, in that the cell contains a nucleus, surrounded by an outer membrane. Additionally, closing curtain to protists are unicellular, with the nonable exception of algae (Protists). A volume of protists coiffure move. This is conducted via flagella, cilia, or pseudopods (foot- akin extensions). Initially this kingdom was created to provide a place for simple organisms that blurred the boundaries between plant and animal, and was setoff named by the noted biologist Ernst Haekel (Protists). However, today, as there are change magnitude numbers of ad vancements in genetic and imaging techniques, anterior relationships are being subjected to increased scrutiny. As a result, umteen scientists debate that some groups within the Protists kingdom are slight nigh related to one another than once believed (protist). and then the term Protists is still in use, but is not considered solo ideal. 2.

General Structure & Organization and Fossil Records In general, protists include all unicellular organisms not included with the prokaryotes (protists). They in like manner include several pulps of multi-cellular structure, which is generally seen in the form of filaments, colonies, coenobia (a settlement with a fixed nu mber of interconnected cells within a common! matrix) or leaf-like structures. Additionally, there are no vascular protists in existence. Many protists are microscopic, with the one luminary macroscopic variety being brown algae. The protists exhibit both phototrophic (obtaining nil from sunlight to synthesize its own nutrition) and heterotrophic (needing thorough compounds for nourishment) types....If you pauperization to get a full essay, order it on our website: OrderEssay.net

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