The AlgaeMacmillan, 1973 - 497 pagine |
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algae algal antheridia antherozoids apex apical cell aplanospores arise asexual Asexual reproduction auxiliary cell basal belt biflagellate Biol carpogonial branch carpogonium carpospores cell division cell wall Chapman Chlorophyceae chlorophyll chloroplasts Chrysophyceae colony colourless conceptacles cortex cortical Cyanophyceae cystocarp cysts cytoplasm develop diatoms dinoflagellates diploid divides Enteromorpha epiphytes factor fertilization filaments flagella flagellates flagellum flora formation freshwater Fritsch frond Fucus fuse gametangia gametes gametophyte gelatinous genera genus germinate give rise gonimoblast grow growth hairs haploid Hormosira Laminaria lateral layer light intensity littoral marine marshes meiosis membrane morphological motile nucleus occur Oltmanns oogonia oogonium organs Phaeophyceae photosynthesis phyceae Phycol plankton plants plurilocular possess present produced protoplast pyrenoids rhizoids Rhodophyceae Sexual reproduction sheath Siphonales soil species sporangia spores sporophyte stage stalk stipe structure swarmers temperature tetrasporangia tetraspores thallus threads tide Ulothrix Ulva unilocular sporangia vegetative cell vesicle Xanthophyceae zone zoospores zygote