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Caulerpa prolifera
''Caulerpa prolifera'' is a species of green alga, a seaweed in the family Caulerpaceae. It is the type species of the genus ''Caulerpa'', the type location being Alexandria, Egypt.〔(AlgaeBase ) Retrieved August 18, 2011.〕 It grows rapidly and forms a dense mass of vegetation on shallow sandy areas of the sea.
==Description==
A plant of ''C. prolifera'' consists of a number of blades or laminae linked by underground stolons which are fixed to the sandy substrate by rhizoids.〔(Morphological Diversity within the Algae ) Retrieved August 18, 2011.〕 The blades contain chlorophyll for photosynthesis though the green colour is somewhat masked by other pigments. Like other members of the order Bryopsidales, each ''C. prolifera'' plant is an individual organism consisting of a giant single cell with multiple nuclei. Chloroplasts are free to move from one part of the organism to another as a response to the level of light at any point and there is a network of fibrous proteins that facilitates movement of organelles.〔(The Cell Biology of the Bryopsidales ) Retrieved August 18, 2011.〕 Even when derived from the same source, individual plants of ''C. prolifera'' show great variability of form and it has been shown that this is in part related to the level of light. In bright locations, plants are compact, highly branched and dense, while in shady locations, populations typically have blades that are longer and thinner and can more efficiently make use of the limited light available.〔(Morphological Plasticity of Caulerpa prolifera (Caulerpales, Chlorophyta) in Relation to Growth Form in a Coral Reef Lagoon ) Retrieved August 18, 2011.〕
Two distinct forms of the alga are recognised, ''Caulerpa prolifera f. obovata'' (J.Agardh) and ''Caulerpa prolifera f. zosterifolia'' (Børgesen).〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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