Chlamydomonas

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Fig. 99 Chlamydomonas . Generalized structure.

Chlamydomonas

a flagellate, unicellular green alga now normally placed in the division CHLOROPHYTA but in many (older) texts regarded as a protozoan and placed in the class MASTIGOPHORA. It is characterized by the presence of two flagella (see FLAGELLUM and, because of the presence of CHROMATOPHORES (1), is referred to as a phytoflagellate (often given subclass status: Phytoflagellata). Reproduction is by repeated fission or varies between species from an asexual method to a sexual method of CONJUGATION where ISOGAMETES rather than differentiated male and female gametes are produced.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Ontogenetic habitat shifts of the Iceland scallop, Chlamys islandica (Muller, 1776), in the northern Gulf of St.
Field examination of dispersion patterns of juvenile Iceland scallops Chlamys islandica, in the northern Gulf of St.
An assessment of the Iceland scallop (Chlamys islandica) resource in the Strait of Belle Isle and the Lilly Carson Canyons.
In these studies, decreases in scallop escape responses have been observed in association with increasing reproductive energy demands (mainly glycogen) in Chlamys islandica, Euvola ziczac, and Argopecten purpuratus (Brokordt et al.
In the Iceland scallop Chlamys islandica, a decrease in the amount of glycogen in the adductor muscle reduced the number of binding sites for the key glycolytic enzyme glycogen phosphorylase, which may explain this scallop's lower activity levels (Brokordt & Guderley 2004a).
monodon (100% similarity), Eriocheir sinensis (100% similarity), Chlamys farreri (100% similarity), Artemia franciscan (100% similarity), Aedes aegypti (100% similarity) Argopecten irradians (100% similarity), Ixodes scapularis (100% similarity), Xenopus laevis (98% similarity) (Table I).