Cov txheej txheem:
- Dab tsi phylum muaj lub cev pob txha sab hauv?
- Yuav tsiaj twg muaj ob txhais ceg?
- Dab tsi phylum yog tsim los ntawm cov kab mob nrog exoskeletons thiab ob txhais ceg?
- Lub phylum twg yog tsim los ntawm cov kab mob uas muaj ib qho exoskeleton ua los ntawm chitin thiab sib koom appendages?
Video: Puas muaj lub cev pob txha sab hauv thiab ua ke sib koom ua ke?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Arthropods (/ˈɑːrθrəpɒd/, los ntawm Ancient Greek ἄρθρον (arthron) 'joint', thiab πούς (pous) 'ko taw' (gen. ποδός)) yog cov tsiaj txhu invertebrate. ib tug exoskeleton, ib tug segmented lub cev, thiab ua ke sib koom appendages.
Dab tsi phylum muaj lub cev pob txha sab hauv?
Ib tug tuaj yeem pom cov kab mob endoskeletons hauv peb phyla thiab ib pawg ntawm cov tsiaj: hauv Chordata, Echinodermata, Porifera thiab Coleoidea. Ib qho endoskeleton tso cai rau lub cev txav mus los thiab muab cov qauv ntawm lub cev thiab cov duab. Qhov tseeb endoskeleton tsim los ntawm cov ntaub so ntswg mesodermal. Cov pob txha zoo li no muaj nyob hauv echinoderms thiab chordates
Yuav tsiaj twg muaj ob txhais ceg?
Muaj ntau dua 800,000 hom npe hauv Phylum Arthropoda, npe los ntawm Greek arthros (=sib koom) thiab poda (=ko taw), suav nrog cov paub arachnids, crustaceans, thiab kab, ua ke nrog cov tswv tsev ntawm cov neeg tsis paub zoo, xws li centipedes, millipedes thiab kab laug sab hiav txwv. Tag nrho cov arthropods muaj kev sib koom ua ke.
Dab tsi phylum yog tsim los ntawm cov kab mob nrog exoskeletons thiab ob txhais ceg?
The phylum Arthropoda muaj ntau haiv neeg ntawm cov tsiaj nrog tawv exoskeletons thiab sib koom ua ke. Ntau hom tsiaj uas paub txog muaj nyob rau hauv phylum Arthropoda- kab, kab laug sab, scorpions, centipedes, thiab millipedes ntawm thaj av; crabs, crayfish, cws, lobsters, thiab barnacles hauv dej (Fig.
Lub phylum twg yog tsim los ntawm cov kab mob uas muaj ib qho exoskeleton ua los ntawm chitin thiab sib koom appendages?
ποδός)) yog cov tsiaj txhu uas tsis muaj zog uas muaj cov kab mob exoskeleton, ib ntu ntawm lub cev, thiab sib koom ua ke appendages. Arthropods tsim lub phylum Arthropoda. Lawv txawv los ntawm lawv cov leeg pob txha thiab cuticle ua los ntawm chitin, feem ntau mineralized nrog calcium carbonate.
Pom zoo:
Cov pob txha pob txha txawv li cas pob txha pob txha?
pob txha pob txha yog tuab thiab tsim los ntawm osteons, hos pob txha pob txha tsawg thiab ua los ntawm trabeculae . Dab tsi yog qhov sib txawv ntawm cov pob txha pob txha thiab pob txha? Cov pob txha pob txha yog tsim los ntawm osteons thiab tsim cov txheej txheem sab nraud ntawm txhua pob txha.
Nyob hauv pob txha pob txha muaj dab tsi tshwm sim rau pob txha?
Ib pob txha pob txha tshwm sim thaum cov pob txha khoov thiab tawg, es tsis txhob tawg tag nrho rau hauv nyias daim nyias nyias Cov pob txha tawg zoo ib yam li qhov tshwm sim thaum koj sim tawg me me, "ntsuab " ceg ntawm tsob ntoo.
Vim li cas cov pob txha pob txha pob txha muaj ntau dua?
Cov menyuam yaus yuav muaj pob txha pob txha pob txha vim lawv cov pob txha mos thiab nkig tsawg dua tus neeg laus. Kev kho mob suav nrog kev tshem cov pob txha, lossis qee qhov kev phais . Vim li cas cov pob txha pob txha pob txha feem ntau tshwm sim hauv cov menyuam yaus?
Cov pob txha pob txha pob txha muaj li cas ntawm pob txha mos elastic?
Tsis zoo li cov pob txha mos thiab cov thyroid caj pas, uas muaj cov pob txha mos hyaline hyaline pob txha mos Abstract. Hyaline pob txha mos muaj nyob rau hauv synovial pob qij txha thiab pab txoj kev txav ntawm cov pob qij txha Nws yog tsim los ntawm chondrocytes thiab extracellular matrix.
Puas sharks muaj pob txha pob txha pob txha?
Niaj hnub sharks muaj skeletons ntawm cov ntaub so ntswg peculiar hu ua prismatic calcified pob txha: pob txha mos uas yog mineralised, tsis li cov nplooj ntawv, tab sis raws li ib tug mosaic ntawm me me ntxhia prisms. … Qhov no yuav pab piav qhia txog kev sib raug zoo ntawm prismatic calcified pob txha thiab pob txha .