Mary Allen
Mussels yog mollusks nrog lub plhaub tawv uas muaj ob lub li qub. Lawv nyob thoob plaws lub ntiaj teb, los ntawm Arctic mus rau Antarctic, thiab ib txwm nyob hauv dej. Feem ntau nyob hauv dej hiav txwv, txawm tias nqes mus txog 11,000 meters. Tab sis kuj tseem muaj cov ntses nyob hauv cov dej khov thiab cov dej tshiab, xws li hauv pas dej thiab cov dej ntws.
Muaj txog 10,000 ntau hom seashells. Ob npaug ntau hom twb ploj lawm. Ntawm lawv, tsuas muaj cov pob txha.
Lub cev clam zoo li cas?
Lub tais yog sab nraum. Nws muaj ob ntu. Lawv txuas nrog ib hom pob khawm. Nyob rau hauv lub mussel, lub pob khawm no hu ua "lock". Cov plhaub yog tawv thiab muaj ntau cov txiv qaub thiab lwm yam minerals. Sab hauv yog npog nrog niam pearl.
Lub tsho tiv no npog lub taub hau thiab cov hnyuv. Qee cov mussels yuav luag kaw thiab tsuas muaj peb qhov qhib: dej nrog zaub mov thiab oxygen ntws los ntawm ib qho qhib, thiab cov khoom pov tseg ntws tawm nrog dej los ntawm lwm qhov. Qhov thib peb qhib yog rau ko taw.
Lub taub hau tau regressed nyob rau hauv lub chav kawm ntawm evolution. Tus nplaig rasping kuj yuav luag tag. Nyob rau ntawm ntug ntawm lub qhov ncauj yog feelers nrog cov plaub muag, uas thawb cov khoom me me mus rau lub qhov ncauj qhib.
Hauv ntau hom mussel, ko taw tau poob qis heev. Ua li no, nws tsim ib hom kua nplaum nyob rau hauv cov hluas mussels, zoo ib yam li cov slime nyob rau hauv cov qwj. Nrog rau cov kua nplaum no, cov mussel tuaj yeem txuas nws tus kheej mus rau hauv qab lossis rau lwm tus mussel thiab txawm tias rov ua dua.
Mussels noj li cas?
Mussels nqus dej. Lawv lim qhov no hauv gills zoo li ntses. Ua li no, lawv tsis tsuas yog rho tawm oxygen los ntawm dej, tab sis kuj plankton. Nov yog lawv cov zaub mov. Lawv siv cov kev xav los thawb lub plankton rau hauv lawv lub qhov ncauj.
Yog li feem ntau cov mussels nqus dej ntau thiab tso nws dua. Txawm li cas los xij, qhov no kuj txhais tau hais tias cov tshuaj lom ntau ntawm cov dej nkag mus rau hauv lawv lub cev. Qhov no tsis yog tsuas yog txaus ntshai rau cov mussels lawv tus kheej, tab sis kuj rau cov neeg noj cov mussels.
Tseem muaj cov ntses hiav txwv. Lawv khawb rau hauv ntoo thiab pub rau nws. Lawv tuaj yeem rhuav tshem tag nrho cov nkoj thiab yog li ntawd tib neeg ntshai heev.
Tsis tshua muaj kab mussel yog neeg tua tsiaj. Lawv yog tom qab me me crabs. Lawv nqus nws nrog dej ntws thiab zom nws.
Clams nyob thiab yug me nyuam li cas?
Feem ntau hom mussel muaj txiv neej thiab poj niam. Lawv tsis tuaj rau hauv kev sib cuag rau kev yug me nyuam. Cov txiv neej tso lawv cov phev mus rau hauv dej, thiab cov poj niam lawv cov qe. Qhov no ua tau vim cov mussels ib txwm nyob ze ua ke.
Sperm cells thiab qe hlwb nrhiav ib leeg rau lawv tus kheej. Tom qab fertilization, larvae loj hlob los ntawm nws. Qhov no yog lub neej daim ntawv ntawm lub qe fertilized thiab lub plhaub sab xis.
Cov tub ntxhais hluas mussels tuaj yeem txav mus rau ntau txoj hauv kev. Feem ntau tig lub plhaub qhib thiab kaw. Qhov no tuaj yeem muab piv rau qhov flapping ntawm tus noog lub tis. Lwm tus ncab lawv txhais taw, nplaum rau hauv av thiab rub lawv lub cev mus. Tom qab ntawd lawv loosen cov nplaum thiab ncab tawm ko taw dua. Ib hom thib peb nqus hauv dej thiab tshem tawm sai sai. Qhov no ua rau muaj kev txav mus los raws li lub hauv paus ntsiab lus foob pob hluav taws.
Thaum kawg ntawm cov tub ntxhais hluas, cov mussels nrhiav qhov chaw tsim nyog los txuas lawv tus kheej. Lawv siv lawv lub neej laus nyob ntawd. Tshwj xeeb tshaj yog cov mussels thiab oysters tsim colonies. Tiamsis lwm hom tsiaj kuj ua li ntawd thiab. Hauv cov txheej txheem, ib lub plhaub txuas nws tus kheej mus rau lwm qhov.
Leej niam ntawm pearl yog dab tsi?
Sab hauv ntawm ntau lub plhaub plhaub ci ci hauv cov xim sib txawv. Cov txheej no hu ua niam pearl. Cov khoom tseem hu ua niam pearl. Qhov no txhais tau hais tias cov khoom no yog leej niam ntawm pearls.
Niam-ntawm-pearl yeej ib txwm suav hais tias muaj nuj nqis. Niam-ntawm-pearl cov hniav nyiaj hniav kub tau nyob ib puag ncig txij li Hnub Nyoog Pob Zeb. Txawm tias ua ntej Columbus tuaj rau Amelikas, lub plhaub muaj lub ntsiab lus zoo ib yam li peb cov npib. Yog li ntawd lawv yog cov txiaj tiag tiag ntawm lub tebchaws.
Niam-ntawm-pob zeb diamond tuaj yeem pom thoob plaws ntiaj teb. Yav dhau los, niam-ntawm-pob zeb nyees khawm tau tsim thiab siv rau lub tsho thiab blouses. Tseem muaj niam-ntawm-pearl inlays ntawm cov khoom siv suab paj nruag kim, piv txwv li ntawm lub caj dab ntawm guitars, kom tus kws ntaus nkauj tuaj yeem nrhiav nws txoj hauv kev.
Yuav ua li cas cov hlaws tsim?
Pearls yog round spheres los yog lumps ua los ntawm cov khoom zoo ib yam li niam-ntawm-pearl. Nws tau xav tias cov mussel siv nws los qhwv cov xuab zeb uas nkag mus rau hauv nws, ua rau lawv tsis muaj mob.
Niaj hnub no, cov kws tshawb fawb xav tias cov kab mob tuaj yeem nkag mus rau hauv cov mussel. Cov no yog cov me me uas xav noj cov mussel los ntawm sab hauv. Cov mussel tiv thaiv nws tus kheej los ntawm kev qhwv cov kab mob no hauv cov khoom siv pearly. Qhov no yog li cas pearls ua.
Cov neeg siv seashells li cas?
Txoj kev yooj yim tshaj plaws yog khaws cov plhaub hauv lub hauv caug-ntev dej. Thaum dej ntws tsawg, lawv txawm feem ntau pw ntawm qhov chaw. Txwv tsis pub, koj yuav tsum dhia dej rau lawv.
Feem ntau cov mussels noj. Cov zaub mov zoo ib yam li ntses. Cov neeg thoob ntiaj teb siv cov khoom noj no los ntawm hiav txwv. Txawm li cas los xij, cov cheeb tsam tom qab ntawd tau nrawm nrawm vim tias mussels loj hlob qeeb heev.
Qee hom mussels zoo rau kev ua liaj ua teb, tshwj xeeb tshaj yog mussels, oysters, thiab clams. Cov mussels no kuj nyob ze ua ke nyob rau hauv cov xwm thiab tsim mussel txaj. Cov neeg yug me nyuam xws li mussels nyob rau hauv cov ntaub ntawv tsim nyog los yog ntawm trellises. Tom qab sau qoob, lawv mus tom khw.
Txhua tus uas yuav lub hlaws niaj hnub no feem ntau tau txais cov hlaws kab lis kev cai. Tsuas yog qee hom mussels tsim nyog rau qhov no. Koj yuav tsum qhib lub plhaub thiab rho tawm ib feem ntawm lub mantle los ntawm nws. Cov me me ntawm nws ces cog rau hauv lwm cov mussels. Ib lub pearl ces tsim nyob ib ncig ntawm nws. Nyob ntawm seb hom mussel, qhov no yuav siv li ob peb lub hlis mus rau ntau xyoo.
Koj puas hnov lub hiav txwv rushing los ntawm lub plhaub?
Yog tias koj tuav lub plhaub khoob khoob rau koj pob ntseg, koj yuav hnov lub suab nrov. Koj tseem tuaj yeem sau cov suab nrov no nrog lub microphone. Yog li nws tsis yog kev xav, tab sis nws kuj tsis yog lub suab ntawm hiav txwv.
Lub plhaub khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. Nyob ntawm daim ntawv, cov cua no muaj kev vibration uas zoo tshaj plaws rau nws. Peb hnov no vibration li suab.
Mussel plhaub khaws tag nrho cov suab uas tuaj rau nws los ntawm sab nraud. Nws absorbs thiab khaws cov kev co uas zoo tshaj plaws rau nws daim ntawv sab hauv. Peb hnov zoo li suab nrov thaum peb tuav lub plhaub rau peb pob ntseg. Peb hnov yuav luag tib lub suab nrov hauv lub plhaub khoob ntawm lub hiav txwv kwj, tej zaum tseem meej dua. Tab sis txawm nrog lub khob los yog khob ntawm pob ntseg, muaj suab nrov zoo sib xws.