海苔[nori] nori (edible seaweed, esp. species Porphyra tenera and others of genus Porphyra, usu. dried and pressed into sheets)
乾海苔[hoshinori] dried edible seaweed
苔状[taijou] mossy
苔類[kokerui] bryophyte (any of three groups of non-vascular land plants, inc. mosses, hornworts and liverworts)
苔癬[taisen] lichen

蘚苔[sentai] moss
転石苔を生ぜず[tensekikokewoshouzezu] a rolling stone gathers no moss
布海苔[funori] funori (seaweed)
蘚苔学[sentaigaku] bryology

ランブル鞭毛虫[ranburubenmouchuu] giardia (flagellate protozoan)
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
いも虫[imomushi] hornworm (caterpillar of a hawk moth)
益虫[ekichuu] useful insect
円虫類[enchuurui] round worms

夏虫[natsumushi] summer insect
蛔虫[kaichuu] roundworm (Ascaris lumbricoides)
害虫[gaichuu] harmful insect
鈎虫[kouchuu] hookworm
寄生虫[kiseichuu] parasite

異類[irui] varieties
一類[ichirui] same kind
円虫類[enchuurui] round worms
塩類[enrui] salts
塩類溶液[enruiyoueki] saline

貝類[kairui] shellfish
柑橘類[kankitsurui] citrus fruits
希土類[kidorui] rare earth
魚貝類[gyokairui] marine products
魚類[gyorui] fish