brown algae
collocation in Englishmeaningsofbrownandalgae
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brown
adjective
uk/braʊn/us/braʊn/
having the colour of chocolate ...
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algae
noun[plural]
uk/ˈæl.ɡiː/us/ˈæl.dʒiː/
very simple, usually small plants that grow in or near water and do not have ordinary leaves ...
See more atalgae
(Definition ofbrownandalgaefrom theCambridge English Dictionary© Cambridge University Press)
Examplesofbrown algae
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
It may be the stem-like part of the thallus of a mushroom or a seaweed, and is particularly common amongbrownalgaesuch as kelp.
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It is found as an accessory pigment in the chloroplasts ofbrownalgaeand most other heterokonts, giving them a brown or olive-green color.
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This does not mean thatbrownalgaecompletely lack specialized structures.
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These are specialized heterokont algae, related to golden algae, diatoms,brownalgae, and the like, which have microtubule-supported tentacles.
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These are thebrownalgae, some of which may reach 50 m in length (kelps) the red algae, and the green algae.
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Mostbrownalgaecontain the pigment fucoxanthin, which is responsible for the distinctive greenish-brown color that gives them their name.
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Aside from filamentous forms, there are two main types of tissue organization in thebrownalgae: pseudoparenchymatous (haplostichous) and parenchymatous (polystichous).
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The closest relatives of thebrownalgaeinclude unicellular and filamentous species, but no unicellular species ofbrownalgaeare known.
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Worldwide there are about 15002000 species ofbrownalgae.
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A cladistic classification based on modern insights supports a relatively close relationship with photosynthetic organisms such asbrownalgaeand diatoms, within the heterokonts.
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The adults are herbivorous and feed with their rhipidoglossan radula on macroalgae, preferring red orbrownalgae.
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Its diet consists mostly of polychaete worms, brittle stars, andbrownalgae.
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However, complex multicellular organisms evolved only in six eukaryotic groups: animals, fungi,brownalgae, red algae, green algae, and plants.
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It is also produced by organisms that are not plants such asbrownalgaeor bacteria.
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Plants exclude the red andbrownalgae, the fungi, archaea and bacteria.
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This genus contains the largest of all the phaeophyceae orbrownalgae.
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The phlorotannins can be seen this way in physodes inbrownalgae.
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These include phycobilins, which are the red and blue pigments of red and blue algae respectively, and fucoxanthol forbrownalgaeand diatoms.
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Other groups ofbrownalgaegrow to much larger sizes.
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Although not allbrownalgaeare structurally complex, those that are typically possess one or more characteristic parts.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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