The Algae: a Review

abundant acid akinetes algal apical cell aplanospores attached auxiliary cell axial basal become biflagellate blue-green algae branched filaments carbohydrates carpogonial branch carpogonium carpospores cell division cell wall cellulose Chlorella chloro Chlorophyta chloroplast Chrysophyta coenocytic colony colorless culture Cyanophyta desmids develop diatoms dinoflagellates diploid elongate endophytic epiphytic eye-spot fibrils flagella flagellated flagellum flora fresh-water gametangia gametes gametophyte gelatinous genera genus germination gonimoblasts granules green algae grow growth habitats haploid heterocyst isogametes known lakes layer light marine algae meiosis membrane Microcystis morphology motile mucilage nitrogen nucleus nutrients occur oogamous oogonium Order organisms oval parietal Phaeophyta photosynthetic phyla phylum pigments plankton plants Plate XII portion produced prostrate protoplast pyrenoid red algae rhizoidal Rhodophyta sexual reproduction sheath soil sometimes species spermatangia sporangia spores sporophyte surface temperature tetraspores thallus tion transverse trichome unicellular usually vacuoles valve vegetative cell vitamins whereas zone zoospores zygospore zygote