Measures of Disease Frequency ï° Incidence (I): Measures new cases of a disease that develop over a period of time. ï° Dictionary: âThe number of new health-related events in a defined population within a specified period of time.
Protists were traditionally subdivided into several groups based on similarities to the higher kingdoms: the unicellular animal-like protozoa, the plant-like protophyta (mostly unicellular algae), and the fungus-like slime molds and water molds.mong the pioneers in the study of the protists, which were almost ignored by Linnaeus except for some algae, were Leeuwenhoek, O. F. Mueller, MÃ¼ller. C. G ehrenberg And Felix. FÃ©lix dujardin the first groups used to classify microscopic organism Were the animalcules And. the infusoria
The kingdom Protista contains the single-celled eukaryotes in contrast to the bacteria which are examples of the prokaryotic cell type.Protists are a diverse group of organisms that are either unicellular or multicellular without highly specialized tissues.They could be viewed as those eukaryotes that cannot be classified as one of the other cell types. They include the one-celled animal-like protozoa, one-celled algae, slime molds and water molds.he kingdom Protista contains the single-celled eukaryotes in contrast to the bacteria which are examples of the prokaryotic cell type.