Ntawm crayfish dab tsi yog cephalothorax?

Cov txheej txheem:

Ntawm crayfish dab tsi yog cephalothorax?
Ntawm crayfish dab tsi yog cephalothorax?
Anonim

Cov cephalothorax muaj cheeb tsam cephalic (los yog taub hau) thiab cheeb tsam thoracic. Ib feem ntawm exoskeleton uas npog lub cephalothorax yog hu ua carapace. Lub plab yog nyob tom qab lub cephalothorax thiab muaj rau 6 qhov sib faib kom meej. Cov cephalothorax muaj 3 ntu.

Kev ua haujlwm ntawm cephalothorax hauv crayfish yog dab tsi?

The cephalothorax

Nws tiv thaiv lawv cov kab mob tseem ceeb ntawm txhua tus crayfish(lub hlwb, lub plawv, plab, zais zis, testicular, lossis zes qe menyuam). Lus Cim: Yog tias peb saib ntawm lub carapace los ntawm saum toj no, peb tuaj yeem pom qhov zawj, uas cais lub taub hau thiab hauv siab cheeb tsam. Qhov kev sib cais no yog nominal vim hais tias lub taub hau-hauv siab cheeb tsam yog qhov pib 'fused' ua ke.

Koj tuaj yeem qhia tau li cas crayfish muaj cephalothorax?

Crayfish muaj ob lub cev lub cev: cephalothorax, uas muaj taub hau thiab lub cev sab sauv, thiab tom qab ntawd lub plab, uas yog segmented kom meej. Koj tuaj yeem pom cov ntawv ntxiv ntawm ob thaj chaw.

Cheliped ntawm crayfish yog dab tsi?

Cov chelipeds yog cov claws loj uas cov crayfish siv los tiv thaiv thiab ntes cov tsiaj. Txhua ntawm plaub ntu tseem muaj ob txhais ceg taug kev. Nyob rau hauv lub plab mog, thawj tsib ntu txhua tus muaj ob khub ntawm swimmerets, uas tsim cov dej ntws thiab ua haujlwm hauv kev yug me nyuam.

Yuav ua li cas thiaj paub tias crayfish yog txiv neej lossis poj niam?

Txiv neej feem ntaukom loj dua poj niam, nrog chelae loj dua thiab lub plab nqaim. Crawfish tails host me me appendages, nrog rau swimmerets. Txiv neej crawfish nqa ib txheej ntxiv ntawm cov swimmerets, uas yog loj thiab tawv. Cov poj niam muaj qhov me me tom qab lawv cov swimmerets.

Pom zoo:

Nthuav cov khoom
Margined collateral yog dab tsi?
Nyeem ntxiv

Margined collateral yog dab tsi?

Nyob rau hauv kev nyiaj txiag, cov paj laum yog cov khoom lag luam uas tus neeg ua lag luam yuav tsum tau tso nrog lawv tus broker lossis kev sib pauv los them cov nqi qiv nyiaj uas tus neeg tuav pov hwm ua rau tus brokerlossis kev pauv. … Kev yuav ntawm cov paj tau tshwm sim thaum tus neeg ua lag luam yuav ib qho cuab tam los ntawm qiv qhov nyiaj tshuav ntawm tus broker.

Karina puas yog ib tug tub?
Nyeem ntxiv

Karina puas yog ib tug tub?

Karina /kəˈriːnə/ is a female muab lub npe siv niaj hnub no. Nws tuaj yeem yog qhov sib txawv ntawm kev sau ntawm Carina (los ntawm Latin carus=kev hlub) lossis luv luv ntawm Katarina / Katrina. Puas Carina yog ib tug tub npe? Lub npe Carina yog ib tug girl's lub npe ntawm Italian keeb kwm txhais tau tias "

Qhov kev nyab xeeb twg tsis tuaj yeem ua rau margin?
Nyeem ntxiv

Qhov kev nyab xeeb twg tsis tuaj yeem ua rau margin?

Cov khoom lag luam tsis muaj txiaj ntsig suav nrog tsis ntev los no IPOs, cov khoom lag luam nyiaj npib, thiab cov ntawv tshaj tawm hauv khw muag khoom. Lub downside ntawm marginable kev ruaj ntseg yog tias lawv tuaj yeem ua rau kev hu xov tooj, uas ua rau muaj kev nyab xeeb thiab nyiaj txiag poob.