Puas myriapods muaj tis?

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Puas myriapods muaj tis?
Puas myriapods muaj tis?

Video: Puas myriapods muaj tis?

Video: Puas myriapods muaj tis?
Video: Lub las xim saib sib yuav daws npe laus 3/17/2018 2024, Hlis ntuj nqeg
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Lawv muaj ob lub cev thaj tsam, 10 lossis ntau dua ob txhais ceg, ob khub kav hlau txais xov, ib lub cev muaj zog, tawv (chitinous - zoo li ib tug nas tsuag) exoskeleton, ua ke ob leeg ceg, thiab tsis muaj tisMyriapods suav nrog chav kawm chilopoda chilopoda Myriapoda (Ancient Greek myria- (μυρίος "kaum txhiab") + pous (πούς "ko taw")) yog subphylum ntawm arthropods uas muaj millipedes, centipedes, thiab lwm yam. Cov pab pawg muaj ntau dua 16,000 hom, feem ntau yog cov av. … Qhov kev faib tawm phylogenetic ntawm myriapods tseem tab tom sib cav. https://en.wikipedia.org › wiki › Myriapoda

Myriapoda - Wikipedia

thiab diplopoda.

Puas yog ib tug nquab muaj tis?

Tsis zoo li kab, arachnids muaj yim ceg thiab tsis muaj antennae lossis tis, thiab lawv lub cev tau muab faib ua ob ntu: Ib cephalothorax thiab plab. … Centipedes yog ntev, nyias arthropods nrog ib nkawm ob txhais ceg ntawm lub cev ntu.

Cov yam ntxwv dab tsi ua myriapods muaj?

Cov yam ntxwv tseem ceeb ntawm myriapods suav nrog:

  • Ntau ob txhais ceg.
  • Ob lub cev (lub taub hau thiab lub cev)
  • Ib khub kav hlau txais xov ntawm lub taub hau.
  • Qhov muag yooj yim.
  • Mandibles (sab puab tsaig) thiab maxillae (sab laug lub puab tsaig)
  • Kev sib hloov ua pa tshwm sim los ntawm txoj hlab ntsws.

Lub cev ntawm myriapods npog yog dab tsi?

Symmetry: Ob tog; presegmental acron thiab postsegmental telson nrog 19 txog >200 cuam tshuam ntu, txhua tus nrog ob txhais ceg (txawm hais tias cov ceg ceg yuav raug hloov kho lossis ploj). Lub cev Cavity: Muaj tseeb coelom txo qis thiab tsis tuaj rau hauv cov neeg laus. Haemocoel tib lub cev kab noj hniav. Lub Cev Cover: Covered by chitinous exoskeleton

Pob myriapods muaj ob txhais ceg?

zoo li kab, myriapods muaj ib khub ntawm cov kav hlau txais xov, tab sis lawv muaj ntau ceg ntau dua kab ua. Hauv Michigan, txhua tus myriapods muaj ntau dua 20 txhais ceg, thiab tag nrho lwm cov arthropods muaj ob txhais ceg tsawg dua li ntawd (feem ntau tsuas muaj 6 lossis 8 ceg).

Pom zoo: