An Introduction to the AlgaeHutchinson, 1967 - 189 pagine General classification of algae - Vegetative structure and methods of reproduction - Cyanophyta - Chlorophyta - Xanthophyta - Chrysophyta - Bacillariophyta - Pyrrophyta - EuglenophytaS_ |
Dall'interno del libro
Risultati 1-3 di 30
Pagina 51
... genus of the Tetrasporales consisting of an un- specialised aggregation of cells in a gelatinous matrix . The cells sometimes acquire flagella and swim away . Asexual reproduction is achieved by division of the contents of some cells ...
... genus of the Tetrasporales consisting of an un- specialised aggregation of cells in a gelatinous matrix . The cells sometimes acquire flagella and swim away . Asexual reproduction is achieved by division of the contents of some cells ...
Pagina 97
... genus , Phaeocystis , a planktonic genus consisting of spherical cells embedded in spherical , lobed , mucilaginous masses , is a member of the Haptophyceae . Filamentous forms include unbranched chains of cells as in Nematochrysis ...
... genus , Phaeocystis , a planktonic genus consisting of spherical cells embedded in spherical , lobed , mucilaginous masses , is a member of the Haptophyceae . Filamentous forms include unbranched chains of cells as in Nematochrysis ...
Pagina 126
... genus a palmelloid or dendroid colony is the normal vegetative form , flagellate stages are rare , and vegetative ... genus Colacium , and most authorities recognise that the distinctive features of the genus ( outlined above ) warrant ...
... genus a palmelloid or dendroid colony is the normal vegetative form , flagellate stages are rare , and vegetative ... genus Colacium , and most authorities recognise that the distinctive features of the genus ( outlined above ) warrant ...
Sommario
Acknowledgments | 6 |
Range of vegetative structure and methods | 20 |
Chlorophyceae | 37 |
Copyright | |
10 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
acronematic algal amoeboid apical appears Asexual reproduction auxiliary cell Bangiophycidae biflagellate Biol blue-green algae branches carotenoids Caulerpales cell structure cell surface cell wall Chlorococcales Chlorophyceae chlorophyll chloroplast chromosomes Chrysophyta Cladophorales classification colony colourless consists Cryptophyta Cyanophyta cytoplasm daughter cells diatoms diploid discoid chloroplasts divide elaborate electron microscope elongated emphasised erect system Euglena euglenoids Euglenophyta evolution filamentous forms flagella flagellate flagellum Florideophycidae formation fusion gametes gametophyte genera genus germinate green algae haploid Haptophyceae heterocysts heterotrichous isogamous large number later layer life-history longitudinal MANTON membrane morphological motile mucilage multinucleate non-motile normally nuclear division nucleus observed occurs oogamous oogonium organisms palmelloid pantonematic parenchymatous Phaeophyceae photosynthetic pigments phyceae phyla plant plurilocular present produced protoplast pyrenoid Pyrrophyta Rhodophyta sexual process sexual reproduction specialised species sporangia spores sporophyte stage suggest swarmers Tetrasporales thallus tion transverse trichome unicellular forms unilocular usually valve variable Volvocales whereas Xanthophyceae zoospores zygote