Muaj kwv yees li 120,000 hom chelicerate tau piav qhia, ua rau lawv qhov thib ob loj tshaj plaws sub-phylum. Ob pawg ntawm cheliceratesyog marine, horseshoe crabs (Xiphosura) thiab hiav txwv kab laug sab (Pycnogonida), uas ua ke tsim tsawg dua 2% ntawm niaj hnub chelicerate ntau haiv neeg.
Cov chav kawm ntawm chelicerates yog dab tsi?
Nws feem ntau pom zoo tias Chelicerata muaj cov chav kawm Arachnida (kab laug sab, scorpions, mites, thiab lwm yam), Xiphosura (horseshoe crabs) thiab Eurypterida (hiav txwv scorpions, ploj mus).
3 pawg chelicerate yog dab tsi?
Muaj peb chav kawm ntawm chelicerates (Merostomata, Arachnida, thiab Pycnogoida). Cov chav kawm Merostomata suav nrog cov horseshoe roob ris, Limulus polyphemus, uas tau kawm txog kev tshawb fawb neurobiological uas nws kim heev.
chelicerate arthropods yog dab tsi?
: an arthropod ntawm subphylum Chelicerata muaj thawj khub ntawm appendages hloov mus rau hauv chelicerae Arthropods ua tus loj tshaj plaws phylum nyob deb, nrog cov pawg loj ntawm kab, chelicerates (kab laug sab, mites., scorpions, thiab horseshoe crabs), thiab crustaceans … -
chelicerae ua dab tsi?
Raws li tau hais los saum toj no, chelicerae ntawm kab laug sab tau hloov pauv mus rau hauv fangs, pab txhawb kev ua neej nyob hauv kev ua neej nyob hauv qhov kev txiav txim no. Sib txawv lawv los ntawm lwm yam arachnids, kab laug sab muaj spinnerets, uas yog siv los tig cov lo lo ntxhuavua los ntawm cov kab lo lo ntxhuav.
