WebStudy with Quizlet and memorize flashcards containing terms like cell that has a nucleus and other membrane-bound organelles, select of all the following that are characteristics of eukaryotic cells: a. evolved about 2 billion years ago b. possess membrane-bound organelles c. evolved about 3.7 billion years ago d. possess a nucleus e. are simple cells … WebThe two main classes of phytoplankton are dinoflagellates and diatoms. Dinoflagellates use a whip-like tail, or flagella, to move through the water and their bodies are covered with complex shells. Diatoms also have …
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WebJun 8, 2024 · diatom: [noun] any of a class (Bacillariophyceae) of minute planktonic unicellular or colonial algae with silicified skeletons that form diatomaceous earth. Diatoms are classified as eukaryotes, organisms with a nuclear envelope-bound cell nucleus, that separates them from the prokaryotes archaea and bacteria. Diatoms are a type of plankton called phytoplankton, the most common of the plankton types. Diatoms also grow attached to benthic substrates, floating debris, … See more A diatom (Neo-Latin diatoma) is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a … See more Diatoms are generally 2 to 200 micrometers in size, with a few larger species. Their yellowish-brown chloroplasts, the site of photosynthesis, are typical of heterokonts, having four cell membranes and containing pigments such as the carotenoid See more Most centric and araphid pennate diatoms are nonmotile, and their relatively dense cell walls cause them to readily sink. Planktonic forms in open water usually rely on See more Distribution Diatoms are a widespread group and can be found in the oceans, in fresh water, in soils, and on damp surfaces. They are one of the dominant … See more Diatoms are protists that form massive annual spring and fall blooms in aquatic environments and are estimated to be responsible for … See more Diatom cells are contained within a unique silica cell wall known as a frustule made up of two valves called thecae, that typically overlap one … See more Reproduction and cell size Reproduction among these organisms is asexual by binary fission, during which the diatom divides into … See more
WebJan 20, 2012 · The general properties of diatom mitochondrial genomes are indeed more similar to animal than to plant mitochondrial genomes (Oudot-Le Secq and Green, 2011). Furthermore, recent studies have highlighted the novel metabolisms within diatom mitochondria, that are quite unlike those of green algae and higher plants, such as a … WebMay 24, 2024 · Diatom genomes are a complex mixture derived from combination of higher organisms of both plant and animal origin. This unique combination gave diatoms a peculiar metabolic profile and process which is different from other algae (Armbrust et …
WebMay 13, 2009 · Diatoms also combine an animal-like ability to generate chemical energy from the breakdown of fat with a plant-like ability to generate metabolic intermediates from the breakdown, a combination ... WebPhytoplankton, or plant plankton, have chloroplasts (complex organelles found in plant cells, responsible for the green color of almost all plants) and use sunlight and nutrients for photosynthesis. Zooplankton are the drifting animals that feed on the phytoplankton. The phytoplankton, like trees or grass on land, are primary producers – the ...
WebFeb 14, 2024 · Protists are a diverse collection of organisms that do not fit into animal, plant, bacteria or fungi groups. ... Arachnodiscus, shown at 100x magnification, is a genus of diatom, a type of algae ...
WebMar 5, 2024 · Plant-Like Protists: Algae. Plant-like protists are called algae (singular, alga). They are a large and diverse group. Some algae, the diatoms, are single-celled. Others, such as seaweed, are multicellular (see Figure below). Diatoms are single-celled algae. Other forms of algae are multicellular. Why are algae considered plant-like? ipat east ridingip at first registrationWebThe seasonal abundance of diatoms is one reason for the rich marine life in Monterey Bay. Diatomaceous earth is made up of the silica houses that were once home to diatoms. Some deposits are thought to be nearly 13 … ipa terms of referenceWebP. Lunetta, in Encyclopedia of Forensic and Legal Medicine (Second Edition), 2016 Diatom Method. Diatoms, unicellular or colonial algae, are detectable in water, air, and soil.The … open source java web startWebDiatoms are unicellular algae and are some of the most common types of plant material found in water. ... animals, or fungi. We can classify protists into four sub-groups: unicellular algae ... open source itil service management softwareWebB. ciliates-cilia. C. zooflagellates-flagella. D. sporozoa-flexing the pellicle. D. Protist reproduction. A. is always asexual fission. B. is always sexual with the adult haploid. C. … open source japanese dictionaryWebMore recently, new discoveries in diatom biology continue to be made. Genomic analyses have shown that diatoms contain a mosaic of genes evolved from plant, animal, and bacterial lineages. Many diatom genes … ipath2