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Diatoms

Bacillariophyceae

Bacillariophyceae (Diatoms) is a class of diatoms. There are 4950 species of Diatoms, in 237 genera and 38 families. It includes groups like Stictodiscaceae and Parodontellaceae. Dead Diatoms form siliceous oozes.

URI: http://purl.obolibrary.org/obo/NCIT_C25513
Definition: combine to create (something), eg: a structure

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URI: http://purl.obolibrary.org/obo/ENVO_02000044
Definition: Siliceous ooze is a marine sediment composed of the debris of plankton with silica shells, such as diatoms and radiolaria. This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. The least common type of sediment, it covers only 15% of the ocean floor. It accumulates at a slower rate than calcareous ooze: 0.2-1 cm / 1000 yr.

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EOL has data for 13 attributes, including:

cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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unicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001994
- Definition: consisting of exactly one cell
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known marine species
- URI: http://eol.org/schema/terms/DescribedAcceptedSpecies
- Definition: number of currently described and taxonomically accepted marine species in this clade (Appeltans et al. 2012. The Magnitude of Global Marine Species Diversity. Current Biology 22, 2189–2202. http://dx.doi.org/10.1016/j.cub.2012.09.036)
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5000
mineralized skeleton contains
- URI: https://eol.org/schema/terms/mineralizedSkeletonContains
- Definition: Component found in mineralized skeletal tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.)
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biogenic silica
- URI: http://purl.obolibrary.org/obo/CHEBI_64389
- Definition: A biogenic mineral comprised of hydrated silica
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plant growth form
- URI: http://purl.obolibrary.org/obo/FLOPO_0900032
- Definition: whole plant growth form. eg: herbaceous, tree, liana
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unicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001994
- Definition: consisting of exactly one cell
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ploidy
- URI: http://purl.obolibrary.org/obo/PATO_0001374
- Definition: number of homologous sets of chromosomes in the nucleus or primary chromosome-containing compartment of the cell, each set essentially coding for all the biological traits of the organism.
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haplobiontic diploid
- URI: https://eol.org/schema/terms/haplobiontic_diploid_dominant
- Definition: having only a diploid phase in its life cycle
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trophic guild
- URI: http://eol.org/schema/terms/TrophicGuild
- Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
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photoautotroph
- URI: http://purl.obolibrary.org/obo/ECOCORE_00000130
- Definition: An autotroph which is capable of transforming light into chemical energy.
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Diatoms

Bacillariophyceae

Diatoms includes 43 children: