Yuav ua li cas muaj pes tsawg paws ya ya thiab yuav ua li cas lawv npaj: dab tsi yog qhov txawv ntawm ob txhais ceg ntawm ib tug tis kab
yoov yog suav tias yog ib qho ntawm cov kab uas cuam tshuam tshaj plaws, yooj yim nkag mus rau hauv lub tsev thiab nkag mus ib puag ncig. Tej zaum, ntau tus xav paub tias muaj pes tsawg tus paws ya tau thiab yog vim li cas lawv kov tsis txaus siab. Nws yog ib qho tsim nyog sau cia tias cov ceg ntoo ua lub luag haujlwm tseem ceeb hauv lub neej ntawm cov neeg sawv cev ntawm Diptera kev txiav txim thiab lawv xav tau tsis yog rau kev txav mus los thiab so thaum so ntawm kev ya davhlau.
Txheem
Muaj pes tsawg ceg yoov muaj thiab lawv npaj li cas
Cov yoov muaj peb ob txhais ceg nrog lawv tus kheej cov leeg, xaus rau hauv cov hlua khi, uas cov kab txuas mus rau qhov tsis sib xws thiab tuaj yeem nkag mus rau sab saud.
Ntawm txhua ceg muaj qhov saj buds thiab anatomical pads - pulvilla nrog ntau cov plaub hau zoo, nruab rau qhov kawg nrog lub caj pas discoid.
Lawv nto yog tas li moistened nrog ib tug nplaum fatty secretion, uas tso cai rau ya lub paws los lo rau ib tug du nto. Ib zaug, cov kws tshawb fawb suav tias cov ntaub qhwv no yog lub khob nqus dej.
Yuav ua li cas ib tug yoov siv nws paws
Ob txhais ceg ntawm cov kab ua ntau lub luag haujlwm ib zaug, ua lub cev ntawm cov ntxhiab tsw thiab kov. Cov yoov xav tau zaub mov nrog lawv thiab tau txais cov ntaub ntawv ntau ntxiv txog nws dua li tib neeg los ntawm kev hnov qab, txiav txim siab txog qhov edibility lossis inedibility ntawm cov khoom. Cov receptors no yog 100 npaug zog dua li tib neeg. Lub arthropod siv nws cov caj npab ua ib hom lus. Yog li ntawd, yoov saib xyuas kev huv ntawm lawv cov paws.
Qhov chaw twg tuaj yeem ya tau zaum ntawm?
Cov yoov tuaj yeem lo rau txhua qhov chaw, suav nrog iav, qhov rais panes, cov phab ntsa du, kab hlau rhuav, chandeliers, thiab txawm tias qab nthab. Nyob rau tib lub sijhawm, ua ntej tsaws, lawv tsis tas yuav tsum tig tag nrho lub cev, nws yog txaus kom tsuas yog ib nrab tig.
Ua tsaug rau cov kua nplaum nplaum nplaum los ntawm cov carbohydrates thiab lipids thiab lub zog ntawm capillary attraction, cov kab zoo kawg nkaus clings mus rau qhov tsawg tshaj plaws ledges pom tsis tau rau tib neeg lub zeem muag thiab tsis poob.
Ib khub ntawm claws tom kawg ntawm ob txhais ceg tso cai rau arthropod kom unfasten lub ncoo tom qab gluing. Tab sis ua qhov no nruj me ntsis vertically thiab jerky yog heev nyuaj. Lub ncoo nrog lub caj pas txav deb ntawm qhov chaw maj mam, hauv thaj chaw me me. Cov txheej txheem zoo ib yam li rub tawm ib daim kab xev nplaum.
Yog hais tias kab ob txhais ceg yog degreased los ntawm immersion nyob rau hauv hexane rau ob peb feeb, yoov yuav tsis muaj peev xwm txav mus rau ib qho chaw. Nws cov ceg yuav pib swb thiab tawg mus rau lwm qhov kev taw qhia. Yog tsis muaj peev xwm taug kev vertically, lub neej ntawm ib tug neeg yuav nyob rau hauv lub ntiaj teb no txaus ntshai.
Cov lus dab neeg ntawm Aristotle thiab yoov lub paws
Nyob rau hauv dav dav, ib tug xav paub dab neeg txog cov treatise ntawm Aristotle yog kev cob cog rua nrog lub paws ntawm cov kab, nyob rau hauv uas tus philosopher tshaj tawm hais tias. uas yoov muaj 8 ceg. Vim yog txoj cai ntawm tus kws tshawb fawb tau ntau pua xyoo, tsis muaj leej twg sim qhov tseeb ntawm cov lus no ntawm cov tib neeg tiag tiag. Yog vim li cas rau qhov xaus no tsis paub. Tej zaum nws yog kev sau ntawv yuam kev, lossis Aristotle tau hais li ntawd rau cov thwjtim uas tau sau cia. Ua li ntawd, tab sis tus kws tshawb fawb Greek thaum ub muaj lwm cov lus tsis raug.
Lwm qhov nthuav tseeb txog yoov
Hais txog yoov, lawv txhua tus muaj tib yam sab nraud thiab sab hauv morphological nta:
- tsis muaj pob txha;
- complex qauv ntawm paws;
- txhim kho kev ua me nyuam thiab digestive system;
- lub cev elongated npog nrog chitinous plhaub;
- cov cuab yeej yooj yim ntawm lub plawv;
- prominent lub taub hau, plab thiab thorax.
Cov arthropods no txawv ntawm cov xim, nyob ntawm seb lawv hom. Yog li, muaj: ntsuab, grey, pom, dub thiab xiav yoov. Qee tus neeg, ua kab mob cab thiab cov kab mob hauv plab hnyuv, tuaj yeem ua rau tib neeg. Tab sis kuj tseem muaj hom tsiaj, piv txwv li, tahina ya, uas lays nws cov qe nyob rau hauv lub larvae ntawm kab kab.
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