CLASSIFICATION OF CHLAMYDOMONAS

PHYLUM :- PROTOZOA (Unicellular)

SUB-PHYLUM :- PLASMODROMA (Cilia absent, locomotion by pseudopodia)

CLASS :- MASTIGOPHORA (One or more flagella)

SUB-CLASS :- PHYTOMASTIGINA (Chromatophores present)

ORDER :- CHLAMYDOMONADALES (Longer forms with one or more flagella)

FAMILY :- CHLAMYDOMONADACEA

GENUS :-  Chlamydomonas

GEOGRAPHICAL DISTRIBUTION

  • It is found everywhere. Cosmopolitan.

HABIT AND HABITAT

  • Chlamydomonas is a solitary and typical representative of phytomonadina, commonly found in stagnant freshwater. Their number sometimes so becomes abundant that entire water looks green

CHLAMYDOMONAS DIAGRAM PROTOZOA

GENERAL CHARACTERSTICS OF CHLAMYDOMONAS

  • Body of the animal is green coloured and usually with a delicate cellulose capsule. 
  • Body may be oval, flattened or cylindrical and composed of closely-fitted, thick, delicate and transparent cell wall made up of cellulose.
  • It swims rapidly by 2 whip-like flagella, each originating separately from blepharoplast. 
  • Body is green due to the presence of chlorophyll in a cup-shaped chloroplast. A pyrenoid is embedded in the basal part of the chloroplast. Endoplasm contains reserve food granules. 
  • A reddish pigment or stigma lies anteriorly, while 2 contractile vacuoles are found near the base of flagella.
  • Nutrition is plant-like or holophytic, i.e., they manufacture their own food, saprozoic or mixotrophic. 
  • It reproduces asexually by binary fission and sexually by the fusion of flagellate isogametes.
CHLAMYDOMONAS DIAGRAM PROTOZOA

SPECIAL FEATURES

  • C. pulvisculus gives oily flavour in the water.

IDENTIFICATION

  • It contains cup-shaped chloroplast and all above features, hence it is Chlamydomonas.

CHLAMYDOMONAS DIAGRAM PROTOZOA
CHLAMYDOMONAS DIAGRAM PROTOZOA
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