Cov lugworm lossis sandworm (Arenicola marina) yogtus kab mob marine loj ntawm tus phylum Annelida. Nws cov coiled castings yog qhov paub pom ntawm lub puam thaum dej ntws tsawg tab sis tus tsiaj nws tus kheej tsis tshua pom tshwj tsis yog cov neeg uas xav paub los yog siv los ua ntses nuv ntses, khawb cov cab tawm ntawm cov xuab zeb.
Lagworm ua dab tsi?
Lugworms pub rau cov khoom siv organic xws li cov kab mob microorganisms thiab detritus tam sim no nyob rau hauv sediment. Lawv nqus cov sediment thaum nyob hauv qhov quav, tawm hauv kev nyuaj siab ntawm cov xuab zeb nto. Thaum cov sediment tau muab tshem tawm ntawm nws cov ntsiab lus tseem ceeb ntawm cov organic nws raug tshem tawm, ua rau tus cwj pwm cab cam khwb cia (saib daim duab3 saum toj no).
Yuav ua li cas cov kab cab ua casts?
Lugworms nyob hauv burrows hauv cov xuab zeb ob leeg ntawm lub puam thiab hauv cov xuab zeb seabed. Lawv burrows yog u-shaped thiab yog tsim los ntawm cov lugworm nqos xuab zeb thiab ces pooing nws, tsim wiggly pawg xuab zeb raws ntug dej. Cov no hu ua casts.
Yuav ua li cas yog kab cab tom?
Txawm hais tias cov kab cab, qhov tob hauv lawv qhov burrows, muaj kev tiv thaiv zoo, lawv muaj kev phom sij thaum lawv tshem tawm cov khib nyiab ntawm lawv lub cev. … Yog lub qhov ntxa nyob hauv qab dej thaum lub sij hawm ntawd, ntses thiab roob ris yuav noj ib ntawm tus tail.
tib neeg puas tuaj yeem noj cov kab ntsig?
dej ntws qis qhia tawm lugworm castings hauv Looe, England, rau lub Plaub Hlis 20, 2017. Tau ntau pua xyoo, tsuas yog siv tib neeg pom rau lub lugworm - tsaus liab, slimy thiab inedible - yog nyob raukawg ntawm ib tug nuv ntses.