Alveolate
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The alveolates are a group of protists, considered a major clade or superphylum within Eukaryota. They are currently grouped with the Stramenopiles and Rhizaria among the protists with tubulocristate
Transmission electron micrograph of a thin section of the surface of the ciliate Paramecium putrinum, showing the alveoli (red arrows) under the cell surface
Paramecium caudatum (Ciliophora)
Vorticella (Ciliophora) (left)
Chromalveolata
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Chromalveolata was a eukaryote supergroup present in a major classification of 2005, then regarded as one of the six major groups within the eukaryotes. It was a refinement of the kingdom Chromista, f
A Californian kelp forest
A potato plant infected with Phytophthora infestans