Dab tsi yog qhov txawv ntawm squid thiab octopus? Nqe lus piav qhia, yam ntxwv, qhov sib txawv

2024 Tus sau: Henry Conors | [email protected]. Kawg hloov kho: 2024-02-12 07:46

Qee zaum koj tuaj yeem hnov cov lus nug ntawm qhov txawv ntawm squid thiab octopus yog dab tsi? Qhov tseeb, lawv nyob rau qhov kev txiav txim ntawm cephalopods, tab sis muaj qhov sib txawv tseem ceeb ntawm lawv. Cov neeg nyob hauv hiav txwv no nyiam siv lawv lub neej feem ntau ntawm qhov tob, tab sis muaj cov xwm txheej thaum lawv nce mus rau saum npoo. Yuav ua li cas cov squid txawv ntawm octopus yuav piav qhia nyob rau hauv kom meej nyob rau hauv tsab xov xwm hais.

yim ceg

Xav txog cov lus nug ntawm yuav ua li cas cov squid txawv ntawm octopus, ib tug yuav tsum kawm cov yam ntxwv ntawm txhua tus neeg sawv cev ntawm lub hiav txwv tob. Cia peb pib nrog qhov no.

Octopuses, lossis octopuses, yog qhov nto moo tshaj plaws ntawm cephalopods niaj hnub no. Octopuses, uas yuav tham tom qab, yog cov neeg sawv cev ntawm incirrina suborder, belongs rau cov tsiaj hauv qab.

Tseem muaj ib tug suborder cirrina, uas nws cov neeg sawv cev yog pelagiccov tsiaj uas nyob hauv kab dej. Nws yuav tsum tau muab sau tseg tias feem ntau cov neeg sawv cev ntawm no suborder yog pom tshwj xeeb tshaj yog nyob rau hauv loj depths. Lub npe "octopus" yog txhais los ntawm Greek ancient li "yim ceg."

Nws yuav tsum tau muab sau tseg tias muaj tshuaj lom neeg sawv cev ntawm hom no. Piv txwv li, xiav-ringed octopus. Nws belongs rau ib qho ntawm feem ntau lom tsiaj nyob rau hauv lub ntiaj teb no. Nws cov tshuaj lom yog txaus ntshai txawm rau tib neeg thiab tuaj yeem ua rau tuag taus.

Kev piav qhia

Cov neeg sawv cev ntawm hiav txwv tob no muaj lub cev mos, luv, oval nyob tom qab. Qhov qhib qhov ncauj nyob rau tib qhov chaw uas cov tentacles pib loj hlob. Lawv tau sau nyob rau hauv lub thiaj li hu ua mantle thiab outwardly zoo li lub hnab tawv nrog folds. Nyob rau hauv lub qhov ncauj ntawm octopus muaj ob lub puab tsaig muaj zog uas zoo li lub beak ntawm macaw parrot. Muaj radula hauv caj pas - qhov no yog ib qho tshwj xeeb grater tsim los zom zaub mov.

Yim lub tsev pheeb suab loj hlob los ntawm lub taub hau ntawm lub mollusk, uas yog ib hom "tes". Lawv interconnected los ntawm ib daim nyias nyias. Lub tentacles muaj ob peb kab ntawm suckers (los ntawm ib mus rau peb). Lawv cov naj npawb tag nrho hauv cov neeg laus tuaj yeem ncav cuag ntau dua 2000. Nrog kev pab los ntawm cov suckers no, octopuses tuaj yeem khaws lawv cov tsiaj. Txhua tus ntawm lawv muaj lub zog tuav ntawm 100 grams ntawm qhov nruab nrab, uas ua ke ua rau lub cev zoo nkauj heev.

Cov kab mob hauv nruab nrog

Tus pos nphuab muaj peb lub siab: lub ntsiab yog nqus cov ntshav xiav los ntawm lub cev, thiab ob lub koom haum (gill) hla dhaugills. Cov cephalopods no tshwj xeeb hauv lawv hom. Vim qhov tseeb tias lawv tsis muaj lub cev pob txha, lawv tuaj yeem hloov pauv lawv cov duab. Lawv kuj muaj peev xwm ua raws li kev cai. Qhov ntawd yog mus zais. Lawv hloov tsis tau tsuas yog cov duab, tab sis kuj cov xim ntawm lawv lub cev. Tus octopus siv cov yam ntxwv no thaum yos hav zoov rau ntses lossis thaum raug hem.

Raws li cov kws tshawb fawb tau tshawb pom, lub hlwb octopus yog qhov tsim tau zoo tshaj plaws ntawm txhua tus tsiaj txhu. Lawv muaj lub zeem muag tsim tau zoo heev, ntxiv rau, lawv tuaj yeem pom lub suab thiab txawm tias infrasound. Nyob rau ntawm lub tentacles ntawm ib tug octopus, ntxiv rau suckers, muaj txog 10 txhiab saj buds uas txiav txim seb ib yam khoom noj los yog tsis.

Vim lawv cov yam ntxwv, cov cephalopods no yog cov neeg yos hav zoov zoo heev. Cov neeg laus raug suav hais tias yog cov neeg sawv cev tseem ceeb ntawm lub hiav txwv thiab qhov tob. Qhov phom sij rau lawv tsuas yog ntses loj thiab qee tus sharks xwb.

Squids

Cia peb xav txog tus neeg sawv cev thib ob ntawm lub hiav txwv tob. Dab tsi yog qhov txawv ntawm squid thiab octopus? Lub qub yog mus rau qhov kev txiav txim ntawm kaum-armed cephalopods. Qhov nruab nrab, cov neeg nyob hauv hiav txwv no muaj qhov loj ntawm 25 mus rau 50 cm. Txawm li cas los xij, muaj cov neeg sawv cev uas ncav cuag 17 m. Cov no yog, piv txwv li, cov squids loj heev uas xav tsis thoob nrog lawv qhov loj me. Lawv yog cov invertebrates loj tshaj plaws nyob rau hauv lub ntiaj teb no.

Squids muaj kaum tentacles uas muab faib ua khub. Raws li qhov tshwm sim ntawm cov txheej txheem evolutionary, tus khub thib plaublengthened piv rau lwm tus. Zoo li cov octopus, lub tsev pheebsuab cephalopod no muaj qhov nqus, tab sis muaj tsawg dua ntawm lawv. Squids muaj lub cev zoo li torpedo, streamlined. Daim ntawv no tso cai rau lawv tsim kom muaj kev kub ceev.

Kev piav qhia

Teb cov lus nug, qhov txawv ntawm tus octopus thiab squid yog dab tsi, yuav tsum hais tias tom kawg muaj ib tug cartilaginous xub khiav raws lawv tag nrho lub cev. Nws yog ib hom ntawm lub hauv paus rau lub cev. ntawm squid txawv, qee cov neeg sawv cev ntawm hom no hloov nws nrog cov nqi hluav taws xob me me. Lawv tsim hluav taws xob ntawm lawv tus kheej.

Squids ua pa los ntawm pectinate gills, thiab lawv lub ntsiab lus tseem ceeb hauv nruab nrog cev yog ob lub qhov muag, papillae thiab ib khub ntawm statocysts, uas yog lub luag haujlwm rau kev sib npaug thiab kev txiav txim siab tob. Cov cephalopods no kuj muaj peb lub siab, zoo li octopuses, tab sis nws txuas nrog peb khub ntawm lub ntsiab tentacles, tsis mus rau lub gills. Squids muaj peev xwm rov tsim dua tshiab. Qhov ntawd yog, yog tias nws poob ib feem ntawm nws lub cev, nws yuav rov qab los raws sijhawm.

Yog tias peb piv leej twg loj dua - squid lossis octopus, ces nws tuaj yeem sib cav tias tam sim no tus neeg sawv cev loj tshaj plaws nrhiav tau los ntawm tus txiv neej yog thawj ntawm lawv. Nws qhov ntev ncav cuag li 17 m, txawm li cas los xij, raws li cov kws tshawb fawb, qhov no tsis yog qhov txwv.

Tau kawg, cov ntses loj heev tuaj yeem pom nyob rau hauv qhov tob ntawm dej hiav txwv, txawm li cas los xij, piv nrog cov squids loj, lawv tsis zoo li loj heev. Txawm hais tias lawv lawv tus kheej kuj tseem impressive loj. Koj tuaj yeem pom meej hauv daim duab dab tsi txawvoctopus squid.

Tam sim no, kom paub txog cov neeg sawv cev ntawm lub ntiaj teb hauv qab dej, koj tuaj yeem mus xyuas lub thoob dej yug ntses. Ntawm no koj tuaj yeem pom qhov txawv ntawm cov mollusks tam sim ntawd, thiab tseem muaj lub sijhawm los txaus siab rau lawv qhov kev zoo nkauj txawv txawv.