Qhov sib txawv tseem ceeb ntawm hagfish thiab lamprey yog hagfish tsis suav tias yog vertebrate thaum lamprey yog vertebrate.
Hagfish thiab lamprey yog ob pawg ntawm lub puab tsaig, elongate zoo li tsiaj txhu tsis muaj khub fins. Ob pawg no tsuas yog cov neeg sawv cev ntawm cov tsiaj thaum ub uas tau ua rau ntses thiab tib neeg. Ob leeg ntses tsis muaj nplai los yog khub fins. Tsis tas li ntawd, lawv tsis muaj pob txha. Lawv skeletons yog ua los ntawm pob txha mos. Tag nrho cov hagfish thiab feem ntau lampreys yog marine. Lamprey muaj vertebra thaum hagfish tsis muaj vertebra. Yog li ntawd, lamprey yog ib tug vertebrate primitive, thaum hagfish tsis suav hais tias yog ib tug vertebrate.
Hagfish yog dab tsi?
Hagfish yog eel-shaped slime-ua ntses uas nyob hauv dej hiav txwv. Hagfish yog ntev, luv thiab pinkish. Nws yog cov ntses uas tsis muaj lub puab tsaig uas muaj pob txha taub hau tsis zoo uas ua rau pob txha mos. Hagfish tsis muaj pob txha thiab tsis muaj vertebra. Yog li ntawd, nws tsis yog suav hais tias yog vertebrate. Nws lub cev yog cartilaginous. Hagfish belongs rau chav kawm Myxini; ib pab viv ncaus ntawm lub puab tsaig vertebrates. Lawv yeej yog cov superclass; Agnatha. Hagfish muaj feem cuam tshuam nrog lamprey. Muaj txog 35 hom ntses hagfish.
Daim duab 01: Hagfish
Hagfish yog cov khawb hauv hiav txwv tob. Lawv muaj peev xwm tsim tau ib tug loj npaum li cas ntawm slime. Vim li no, hagfish qee zaum hu ua "slime eels" txawm tias lawv tsis yog eels. Slime ntau lawm yog ib qho kev tiv thaiv predatory mechanism ntawm hagfish. Slime muab txoj hauv kev nplua thiab pab lawv tiv thaiv lawv tus kheej tiv thaiv kev tawm tsam los ntawm cov ntses. Tsis tas li ntawd, hagfish muaj plaub khub ntawm nyias nyias cov tentacles nyob ib ncig ntawm lawv lub qhov ncauj mus ntes zaub mov. Lawv kuj tuaj yeem nqus cov as-ham ncaj qha los ntawm lawv cov tawv nqaij. Tsis tas li ntawd xwb, lawv yuav luag dig muag.
Lamprey yog dab tsi?
Lampreys yog cov ntses zoo li lub puab tsaig. Lawv muaj feem cuam tshuam nrog hagfish. Txawm li cas los xij, Lamprey muaj vertebra thiab pob txha taub hau zoo. Yog li ntawd, lawv yog cov vertebrates tseeb, tsis zoo li hagfish. Lamprey tsis muaj nplai thiab cov fins zoo ib yam li hagfish. Ntxiv mus, lawv yog cov ntses zoo li eel.
Daim duab 02: Lamprey
Muaj txog 41 hom Lamprey. Hom Lamprey tuaj yeem yog kab mob lossis tsis yog kab mob. Lawv nyob hauv dej tshiab thiab hauv dej hiav txwv. Lamprey lub cev yog tsawg slimy. Lawv muaj ob lub qhov muag ua haujlwm. Lawv lub qhov ncauj yog ventral. Skeleton ntawm lamprey yog tsim los ntawm pob txha mos. Yog li ntawd, lawv tsis muaj pob txha.
Dab tsi yog qhov zoo sib xws ntawm Hagfish thiab Lamprey?
- Hagfish thiab lamprey yog lub puab tsaig, elongate zoo li tsiaj.
- Lawv belongs rau superclass Agnatha.
- Lawv tsis muaj khub fins.
- Ntxiv mus, lawv tsis muaj nplai.
- Ob leeg koom rau phylum Chordata.
- Lawv muaj axons unmyelinated.
- Lawv skeletons yog ua los ntawm pob txha mos.
Qhov txawv ntawm Hagfish thiab Lamprey yog dab tsi?
Hagfish yog ib qho eel-zoo li slime tsim cov ntses marine jawless thaum lamprey yog cov ntses zoo li lub puab tsaig uas nyob hauv ntug dej hiav txwv thiab dej tshiab. Hagfish tsis muaj vertebra thaum lamprey muaj vertebra. Yog li ntawd, hagfish tsis suav hais tias yog vertebrate thaum lamprey yog vertebrate. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm hagfish thiab lamprey.
Cov ntaub ntawv hauv qab no-daim duab tabulates ib sab ntau qhov sib txawv ntawm hagfish thiab lamprey.
Summary – Hagfish vs Lamprey
Hagfish thiab lamprey yog ob pawg ntawm cov ntses tsis muaj lub puab tsaig uas zoo li eel. Ob leeg tsis muaj nplai thiab cov fins ua ke. Ntxiv mus, lawv yog cov ntses uas tsis muaj pob txha. Qhov sib txawv tseem ceeb ntawm hagfish thiab lamprey yog tias hagfish tsis muaj vertebra thaum lamprey muaj vertebra. Yog li ntawd, hagfish tsis suav hais tias yog ib tug vertebrate thaum lamprey yog ib tug vertebrate.
