Lub ntsiab lus crustaceans rau tib neeg: zoo thiab tsis zoo. Tshwj xeeb tshaj yog nuv ntses thiab cab hom

Yuav ua li cas yog qhov tseem ceeb ntawm crustaceans rau tib neeg? Zoo thiab tsis zoo. Qhov no teb tsuas yog txoj cai. Tom qab tag nrho, lawv ua nej zaub noj rau tsiaj txhu thiab tib neeg, thiab ib co yog ob qho tib si lub hom phiaj hom. Tab sis ib co shellfish yog cab txoj kev ntawm lub neej thiab yog cov nrab hosts rau helminths. Nta ntawm lub neej, kev faib thiab tseem ceeb ntawm tej arthropods peb xav txog nyob rau hauv tsab xov xwm.

hom crustaceans

Cov neeg sawv cev ntawm no subtype ntawm arthropods yog heev ntau haiv neeg. Qhov no txiav txim seb tus nqi ntawm shellfish rau tib neeg: zoo thiab tsis zoo.

Dua li no, cov kev yam ntxwv nta yog tag nrho cov ntawm lawv. Crustaceans (yees duab hauv qab no qhia tau hais tias lub roob ris) muaj ib lub cev uas muaj lub cephalothorax thiab lub plab mog, uas yog txuas lub nqua. Nyob rau hauv lub taub hau yog ob antennae khub. ua pa nrog cev gills xaiv - ntsuab caj pas.

Nyob rau hauv tshiab thiab ntsev dej, shellfish pub rau ob nroj tsuag thiab tsiaj me me.

malacostraca

Cov neeg sawv cev ntawm cov hoob kawm no yog Crayfish. Rau lawv tej vaj tse uas lawv xaiv huv si khiav dej nrog ib tug high school cov oxygen cov ntsiab lus. Thaum lub sij hawm hnub lawv nkaum nyob rau hauv burrows, nyob rau hauv cov pob zeb thiab cav. Ntawm no lawv muaj thiab ntes neeg. Nqaij qog nqaij hlav muaj nqi noj haus zog. Vim li no, coob ntawm ntau hom sharply txo nyob rau hauv xyoo tsis ntev los. Ib tug Crayfish txawm teev nyob rau hauv lub International Liab Phau Ntawv.

Hmo ntuj crabs tawm lawv cov qho chaw thiab mus yos hav zoov. Cov kab mob no yog kiag li omnivorous. Lawv saj thiab cua nab, thiab mollusks, thiab tadpoles. Ntxiv mus, ob qho tib si nyob thiab tuag. Tsis txhob muab rau crabs thiab dej nroj tsuag. Ornamental hom, tus txiv neej no feem ntau yog bred nyob rau hauv dej. Nyob rau hauv cov qog nqaij hlav kev poob cev qhev yuav tsum noj nrog mov ci, zaub thiab txawm nqaij.

Rau nuv ntses zoo tshaj plaws cov qog nqaij hlav xws li cw, roob ris, cw thiab cws. Qhov zoo tshaj plaws cov khw nojmov ntawm lub ntiaj teb no cov tais diav yog heev npaum li cas nyob rau hauv coob, tab sis tsis yog txhua tus yuav them taus.

Amphipods thiab dej burros yog ib tug tseem ceeb khoom noj khoom haus rau ntau hom ntawm cov hav dej thiab marine tsiaj. Woodlice nyob rau hauv ntub av thiab litter, plam lawv, enriched nrog organic tshuaj, txhim kho dab thiab fais fab nroj tsuag respiration.

branchiopoda qog nqaij hlav

Nws yog ib lub inhabitants ntawm dej tsis qab ntsev, lub taub hau ntawm uas yog txaus sib cais los ntawm lub cev. Cov no muaj xws me me crustaceans Daphnia, uas kuj hu ua dej dev mub. Ua ke nrog rau lwm cov dej muaj tus kab mob yog muaj nyob rau hauv lub plankton, uas yog nyob rau hauv lub Upper reservoir.

Tus txiv neej twg thiaj li raug artificially daphnia rau ib tug muaj scale mus pub cov ntses. Lawv feem ntau siv los mus nce lub hom ntau haiv nyob rau hauv dej.

Nrog daphnia toxicity xeem dej tsis qab ntsev. Cov kab mob no yog rhiab heev rau ntsev cov ntsiab lus daws teeb meem. Lawv ua ib tug thawj slowing ntawm lub cev ua si. Tom qab crustaceans los yog tog mus rau hauv qab, los yog khov nyob rau saum npoo.

chav kawm ntawv chelyustenogie

Lub ntsiab lus crustaceans rau tib neeg, zoo thiab tsis zoo, thiab yog mej zeej ntawm lub chav kawm ntawv chelyustenogie. Daphnia thiab cyclops, nws tau ntev tau siv raws li ib tug tseem ceeb pub rau ib dilution ntawm cov hluas coj mus muag ntses. Cab Argulus - kuj crustaceans. Lawv pub on cov ntshav ntawm ntses, feem ntau ua puas tsuaj rau fisheries.

Muaj ntau hom ntawm cyclops yog intermediate fwjchim luj kawg nkaus rau cab flatworms. Piv txwv li, lub tapeworm dav ntawm lub qe puv mus rau hauv ib tug kab. Nws hu ua coracidium. Tej kheej kheej kab ntab dawb nyob rau hauv cov dej kom txog thaum nws tau nqos tau los ntawm lub crustaceans. Txij li thaum lawv yog cov thawj intermediate fwjchim luj kawg nkaus ntawm lub cab. Qhov thib ob yog tas predatory ntses uas pub rau crustaceans. Nyob rau hauv tib neeg lub cev lub kab lub caij nplooj zeeg nyob rau hauv lub siv kev phem kib los yog nyoos ntses. Muaj lawv xa mus rau cov hnyuv mucosa, thiab tom qab 4 lub lis piam tau rau cov me nyuam. Qhov ntev ntawm no cab yuav ua tau mus txog kaum meters! Tab sis lub ntsiab kev nyab xeeb cov lus dag nyob rau hauv lub fact tias lub sij hawm ntev nyob ntawm tus kab mob nyob rau hauv tib neeg muaj anemia kab mob. Khoom highlight cab inhibit qhov kev tsim ntawm vitamin B12, uas yog qhov tseem ceeb rau cov tsim ntawm ntshav liab ntawm tes hemoglobin. Nyaum cov tsos mob muaj xws li kev tsis muaj zog, tsis muaj kev kawm, hypotension, nce lub plawv dhia, nquag mob taub hau thiab kiv taub hau. Cov tsos mob yuav tsum tau soj ntsuam thiab thov kom tau kev xeem mus rau ib tug tshwj xeeb.

Lub ntsiab lus crustaceans rau tib neeg: zoo thiab tsis zoo

Ib tug yuav tsis hais txog cov nqi ntawm shellfish nyob rau hauv cov qus. Ntawm cov hoob kawm, ib tug tseem ceeb zoo nam yog hais tias lawv yog ib qho tseem ceeb qhov link hauv cov zaub mov saw, yuav tau lim tawm ntawm cov dej me me algae thiab cov kab mob. Nws yog lub npe hu hais tias lub symbiosis ntawm ib tug loj leeb roob ris nrog coral polyps coj lawv kev sib nrig sib pab. Muaj ntau hom uas noj los ntawm tus txiv neej. Txawm li cas los, ib co ntawm lawv yog muab kev koom tes nyob rau hauv lub neej voj voog ntawm cab thiab nres rotifers thiab lawv tus kheej cov chav kawm ntawv cov kwv tij.

Yog li, lub crustaceans yog cov tsiaj uas cov neeg lug siv nyob rau hauv lawv livelihoods, uas ua rau lawv ib tug tseem ceeb luag hauj lwm nyob rau hauv cov xwm.