Category: wikipedia

  • Duckweed (Lemnoideae)

    Lemnoideae   From Wikipedia, the free encyclopedia For the Chinese film, see Duckweed (film). Lemnoideae Close-up of two different duckweed types: Spirodela polyrrhiza and Wolffia globosa: The latter are less than 2 mm long. Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Angiosperms Clade: Monocots Order: Alismatales Family: Araceae Subfamily: Lemnoideae Genera Lemna Spirodela Wolffia Wolffiella Synonyms Lemnaceae Lemnoideae is a subfamily…

  • Fish gill

    Fish gill 5 languages Article Talk Read Edit View history From Wikipedia, the free encyclopedia See also: Fish respiration Gill arches bearing gills in a pike. Gills allow fish to breathe underwater. Respiratory mechanism in bony fish The fish draws oxygen-rich water in through the mouth (left). It then pumps it over gills so oxygen enters the bloodstream,…