algae classification
TRANSCRIPT
CLASSIFICATION OF ALGAE BY G.M SMITH
PRESENTED BYABOLI VICHARE
M.SC PART - 1
Contents :-Introduction of algae
Classification of algae
Introduction of division chlorophyta
Introduction of division euglenophyta
Introduction of division pyrrophyta
Refrrence
WHAT IS ALGAE?????????
Algae is an autotrophic plant which prepare food by photosynthesis.
CLASSIFICATION OF ALGAE
DIVISION CLASS
CHLOROPHYTA CHLOROPHYCEAE , CHAROPHYCEAE
EULENOPHYTA EULENOPHYCEAE
PYRROPHYTA CRYPTOPHYCEAE, DESMOPHYCEAE, DINOPHYCEAE
CHRYSOPHYTA XANTHOPHYCEAE, CHRYSOPHYACEAE, BACILLARIOPHYCEAE
PHAEOPHYTA ISOGENERATAE, HETEROGENERATAE, CYCLOSPORAE
CYANOPHYTA MYXOPHYCEAE
RHODOPHYTA RHODOPHYCEAE
Division :- Chlorophyta
Habit :-Fresh water algae (mostly) & as well as Marine water algae
Pigments :- Chlorophyll a, chlorophyll b, carotin & xanthophylls
Reserve food material :- Accumulate starch as photosynthetic reserve.
Range of thallus :- Unicellular & Multicelluar
Reproduction :- Asexual & Sexual
CHLOROPHYTA
Chlorophyceae
Charophyceae
Chlorophyceae• Habit :- Fresh water & marine
water algae • Pigment :- Chl.a , Chl.b ,
Xanthophyll , Carotin • Reserve food material :-
Accumulate starch as photosynthetic reserve.
• Range of thallus :- Always multicellular
• Reproduction :- Asexual
Order’s of Class Chlorophyceae :-
1. Volvocales2. Tetrasporales3. Ulotrichales4. Ulvales5. Schizogoniales6. Cladophorales7. Oedogoniales8. Zygnematales9. Chlorococcales10.Siphonales11.Siphonocladiales
VOLVOCALES :- EG:- VOLVOX
TETRASPORALES:-EG :- TETRASPORA
ULOTRICHALES :-EG:-ULOTHRIX
ULVALES :-EG:- ULVA
Schizogoniales :- Habit :- Fresh water as well as marine
water algaePigments :- Chl.a , Chl.b (Single stellate
chloroplast) Reserve food material :- Accumulate
starch as photosynthetic reserve. Range of thallus :- Filamentous, plate
like or solid cylinders.Reproduction :- No sexual reproduction &
Asexual reproduction is by means of aplanospores & akinetes.
Eg. Praaiola mexicana
CLADOPHORALES:-EG:- CLADOPHORA
OEDOGONIALES :-EG:- OEDOGONIUM
ZYGNEMATALES :-EG:- ZYGNEMA
CHLOROCOCCALES :-EG:- CHLOROCOCCUM
SIPHONALES :-EG :-VAUCHARIA
SIPHONOCLADIALES :-EG:-VALONIA
Charophyceae :- Habit :- Fresh water as well as marine
water algae Pigments :- Chl.a , Chl.b Reserve food material :- Accumulates
starch as photosynthetic reserve. Range of thallus :- Regular succession
of nodes & internodes , branched thallus.
Reproduction :- Sexual reproduction is oogamous.
Eg. Chara
Division :- EUGLENOPHY
TA
Habit :- Fresh water algaePigments:- Chlorophyll & carotinoids. Reserve food material :- An insoluble carbohydrate relate to starch.Range of thallus :- Motile cells have more than two flagella. Reproduction :- sexual reproduction seen in only one species & asexual reproduction is cresting stages (cysts).
Order’s of class Euglenophyta:-
Euglenales Colaciales (Euglenocapsales)
EUGLENALES :-EG:- EUGLENA
COLACIALES(EUGLENOCAPSALES):-EG :- COLACIUM
Division:- PYRROPHYTA
Classes of division pyrrophyta :-
Class 1. CryptophyceaeClass 2. DesmokontaeClass 3. Dinophyceae
Order’s of division pyrrophyta :-
Gymnodiniales Peridiniales Dinophysidales Rhizodiniales Dinocapsales Dinotrichales Dinococcales
GymnodinialesEg :- Gymnodium
PeridinialesEg :- Peridinium
DinophysidalesEg:- Dinophysis
RhizodinialesEg:- Dinamoebidium
DinocapsalesEg:- Gloedinium
DinococcalesEg:- Dinococcales
Reference :- Algae by HC Bold.
Text book of botany by O.P Sharma.
Algae by Vashishta.
www.wikipedia.com.
College Botany .