Qhov sib txawv tseem ceeb ntawm chelicerates thiab mandibulates yog tias chelicerates muaj chelicerae, thaum mandibulates muaj mandibles.
Arthropoda yog qhov loj tshaj plaws phylum uas zwm rau Kingdom Animalia. Yog li ntawd, nws muaj ib tug lossis loj tus naj npawb ntawm tsiaj hom uas muaj ib tug exoskeleton thiab koom nrog appendages. Lawv muaj nyob rau hauv txhua hom chaw nyob. Muaj peb pawg loj ntawm arthropods. Chelicerates thiab mandibulates yog ob ntawm peb pawg no. Lub peculiarity ntawm chelicerates yog lub xub ntiag ntawm chelicerae. Meanwhile, tus yam ntxwv feature ntawm mandibulates yog lub xub ntiag ntawm mandibles. Chelicerae thiab mandibles yog qhov ncauj qhov ncauj.
Chelicerates yog dab tsi?
Chelicerates yog ib pawg loj ntawm arthropods. Lawv muaj ib khub ntawm chelicerae. Txawm li cas los xij, lawv tsis muaj qhov ncauj rau zom, tsis zoo li mandibulates. Yog li ntawd, lawv yuav tsum tau predigest zaub mov thiab nqus cov as-ham nyob rau hauv kua daim ntawv. Lawv lub cev tuaj yeem muab faib ua ob qhov tseem ceeb xws li cephalothorax thiab plab. Ntxiv mus, lawv muaj rau 6 khub ntawm appendages. Thawj khub yog ib khub ntawm chelicerae. Cov kab mob no tsis muaj kav hlau txais xov ntawm lawv lub taub hau.
Daim duab 01: Chelicerates
Muaj ob chav kawm loj ntawm chelicerates: Xiphosura thiab Arachnida. Chav Kawm Xiphosura suav nrog cov tsiaj xws li horseshoe crabs, uas yog marine hauv xwm. Chav Arachnida suav nrog cov tsiaj xws li scorpions, zuam, mites thiab kab laug sab, uas yog cov av.
Mandibulates yog dab tsi?
Mandibulates yog ib pawg ntawm arthropods. Qhov tseeb, lawv yog pawg loj tshaj plaws thiab ntau yam sib txawv ntawm arthropods. Cov yam ntxwv ntawm cov kab mob uas koom nrog pawg no yog tias lawv muaj mandibles, uas yog ob lub qhov ncauj siv rau zom lossis txiav. Muaj plaub chav kawm hauv subphylum mandibulates. Lawv yog Crustacea (prawns, crabs, lobsters, crab fishes), Chilopoda (centipedes), Diplopoda (millipedes) thiab Hexapoda (kab kab).
Daim duab 02: Mandibulate
Lub cev mandibulate tuaj yeem muab faib ua lub taub hau, lub cev, lub plab thiab lub plab. Tsis zoo li chelicerates, mandibulates muaj antennas.
Dab tsi yog qhov sib txawv ntawm Chelicerates thiab Mandibulates?
- Chelicerates thiab mandibulates yog ob pawg loj ntawm arthropods.
- Lawv muaj exoskeletons thiab segmented cev.
- Tsis tas li ntawd, lawv yog cov loj tshaj plaws thiab muaj ntau yam phylum ntawm Kingdom Animalia.
- Lawv muaj nyob hauv txhua qhov chaw nyob.
Qhov txawv ntawm Chelicerates thiab Mandibulates yog dab tsi?
Chelicerates yog ib qho tseem ceeb ntawm cov phylum Arthropoda thiab suav nrog cov tsiaj uas muaj chelicerae. Ntawm qhov tod tes, mandibulates yog lwm subphylum ntawm phylum Arthropoda thiab suav nrog cov tsiaj uas muaj mandibles. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm chelicerates thiab mandibulates. Chelicerates lub cev muab faib ua cephalothorax thiab plab, thaum lub cev mandibulates muab faib ua lub taub hau, thorax, thiab plab mog. Ntxiv mus, chelicerates tsis muaj kav hlau txais xov thaum mandibulates muaj ib los yog ob khub ntawm antennae.
Cov hauv qab no infographic muab ntau qhov sib piv ntsig txog qhov sib txawv ntawm chelicerates thiab mandibulates.
Summary – Chelicerates vs Mandibulates
Chelicerates thiab mandibulates yog ob qhov loj subphyla ntawm phylum Arthropoda. Chelicerates muaj chelicerae thaum mandibulates muaj mandibles. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm chelicerates thiab mandibulates. Ntxiv mus, chelicerates muaj ob qhov hauv lawv lub cev thaum mandibulates feem ntau muaj peb qhov hauv lawv lub cev. Tsis tas li ntawd, chelicerates tsis muaj kav hlau txais xov thaum mandibulates muaj ob lub kav hlau txais xov. Muaj ob chav kawm tseem ceeb uas yog chelicerates, thaum muaj plaub chav kawm loj hauv mandibulates.
