Toothy monsters, los yog yuav ua li cas muaj ntau yam cov hniav ib tug qwj?

Feem ntau cov ntseeg dua ib tug tsiaj "nrog cov hniav", li ntawd nws yog txaus ntshai. Nyob rau hauv ib tug shark jaws yog ob peb txhiab (peb mus rau kaum tsib, nyob ntawm seb lub hom) rab chais ntse hniav, cov txheej txheem ntawm nyob rau hauv ob peb kab. Yog vim li cas feem ntau cov bloodthirsty toothed thiab yog pom tias yuav tsum tau ib tug shark, tab sis nyob rau hauv txhua rooj plaub tsis yog raws li qeeb thiab txawm qwj, vim hais tias tsis yog txhua tus paub yuav ua li cas muaj ntau yam cov hniav ib tug qwj, cov duab thiab cov drawings uas yog nyob rau hauv ntau cov me nyuam cov phau ntawv.

Txaus ntshai qwj tsis muaj tsiaj nyaum

Nws hloov tawm hais tias lub qwj yog ntau npaum li cas "toothy" shark. Feem ntau cov hniav Qwj. Nws yog nyob rau hauv lub qhov ncauj kom ntau li ntau kom ntau li ntau 25 txhiab hniav, uas nws yooj yim muaj peev xwm zom txawm nyuaj heev stems thiab nplooj.

Nws yog ib nqi sau cia hais tias qhov no yog tsis heev lub tib cov hniav, uas feem ntau yog peb muaj nyob rau hauv lub siab. Nyob rau hauv lub qhov ncauj kab noj hniav yog nyob rau ntawm ib tug qwj hu ua lub radula - ib tug tshwj xeeb chav tsev, zoo li ib tug grater. Ntawm no, es, nws tsis muaj nqi ntau npaum li cas qwj cov hniav thiab yuav ua li cas lawv ua hauj lwm. Nyob rau ntawm qhov chaw ntawm odontofora (ib yam ntawm cov "lus") radula tsis yog rau tom thiab rau scraping thiab kev sib tsoo khoom noj khoom haus. Nws muaj chitin basal lamina (radulnoy membrane) thiab chitin hniav txheej txheem transversely mus rau ib tug ob peb puas kab. Tag nrho cov no apparatus ua hauj lwm rau ib tug dredging tshuab muaj tib lub xov tooj ntawm thoob raws li ib tug qwj hniav. Nws yog ib cov horny kev kawm ntawv thiab scraped as uas yog ces noj mus rau hauv lub digestive ib ntsuj av. Ib txhia hom gastropod radula yog siv raws li ib tug laum uas tso cai rau lub qwj plhaub qhia nws raug tsim txom.

Ib tug ob peb nthuav cov lus tseeb ntawm lub neej ntawm qwj

• Nyob rau hauv lub paj hlwb ntawm lub qwj muaj txog nees nkaum txhiab neurons. Cov tib neeg lub hlwb, los ntawm contrast, muaj ib tug ob peb puas billion.
• Olfactory receptors nyob hauv ib tug tib neeg lub qhov ntswg, lub qwj yog nyob rau sab saum toj ntawm lub tshuab raj. Nyob rau hauv lwm yam lus, cov tshuab raj - ib lub qhov ntswg rau hauv.
• Nws yog ntseeg hais tias tus qwj tsis pom nyob rau hauv lub truest siab ntawm lo lus, tiam sis tsuas yog paub qhov txawv ntawm lub teeb thiab qhov tsaus ntuj.
• Yuav ua li cas muaj ntau yam tus qwj hniav nyob rau hauv lub hom. Feem ntau, tus xov tooj yog hom twg los ntawm 15 mus rau 25 txhiab.
• Feem ntau ntawm cov qwj - hermaphrodites.
• Lub giant qwj Achatina Fulik nce mus txog ib tug ntev ntawm 20 cm, tab sis tsiv maj mam Qwj.
• Cov nqaij ntawm no mollusk muaj protein ntau tshaj nqaij qaib qe. Nyob rau hauv tas li ntawd, nws yog neeg nplua nuj nyob rau hauv poov hlau, hlau thiab fatty acids. Vim li no, thiab lawv cov kev siv nyob rau hauv cov zaub mov.
• Tsis muaj teeb meem ntau npaum li cas cov hniav ib tug qwj, nws txhais ceg, tiam sis vim hais tias nws txav heev maj mam. Maximum ceev, uas yog tsim ib tug tsiaj - txog 7 cm / min.
• Feem ntau ntawm cov giant pom puas tau qwj tiv kev txom nyem kaum kilograms thiab nws lub tsev mus txog xya caum centimeters nyob rau hauv ntev.
• Feem ntau cov qwj muaj ib tug plhaub, cov nyob rau hauv ib tug clockwise kev taw qhia (txoj cai) raws li pom los ntawm cov cov kawg. Sib ntswg counterclockwise npaum li cas rarer.
• Qwj tau siv raws li ib tug medicament nyob rau hauv cov kev kho mob ntawm txoj hnyuv kab mob thiab ocular inflammations, thiab kom tsis txhob los ntshav.

Thaum xaus ntawm zaj dab neeg ntawm yuav ua li cas muaj ntau yam cov hniav ib tug qwj, nws yuav tsum tau muab sau tseg hais tias nws tsis yog ib tug tau zus ib ntawm "cov hniav" rau hauv cov tsiaj ntiaj teb no. Lub undisputed yeej yog ib tug liab qab sib zog ntaus. Nws muaj txog peb caug txhiab hniav.