Qhov twg yog qhov txuas ntawm annelida thiab arthropoda?

Cov txheej txheem:

Qhov twg yog qhov txuas ntawm annelida thiab arthropoda?
Qhov twg yog qhov txuas ntawm annelida thiab arthropoda?
Anonim

tshawb fawb ntawm kab mob zoo li kab mob Peripatus, uas nws tau lees paub tias yog qhov tseem ceeb ntawm kev sib txuas ntawm Annelida, lossis segmented worms, thiab Arthropoda, xws li crabs, kab laug sab, thiab kab.

Puas yog kev sib txuas ntawm Annelida thiab Arthropoda1 taw tes?

Peripatus yog qhov sib txuas ntawm Annelida thiab Arthropoda.

Kev sib txuas ntawm Annelida yog dab tsi?

Neopilina yog qhov sib txuas ntawm Annelida thiab Mollusca.

Kev sib txuas ntawm Arthropoda thiab Mollusca yog dab tsi?

Neopilina yog qhov sib txuas ntawm phylum Annelida thiab Mollusca. Nws yog cov genus uas niaj hnub monoplacophoran (chav kawm ntawm hom annelids thiab molluscs).

Vim li cas Peripatus hu ua kev sib txuas ntawm Annelida thiab Arthropoda?

Ceeb toom: Peripatus yog qhov sib txuas ntawm arthropods thiab annelids vim lawv muaj cov yam ntxwv ntawm ob qho tib si annelids thiab arthropods. Raws li annelids, peripatus muaj worm-zoo li segmented lub cev, segmental nephridia, thiab lwm yam thiab raws li arthropods, lawv muaj ob leeg ob txhais ceg. Li no, lawv yog qhov txuas txuas ntawm ob pawg.

Pom zoo:

Nthuav cov khoom
Koj puas tuaj yeem mus ntsib dagestan?
Nyeem ntxiv

Koj puas tuaj yeem mus ntsib dagestan?

Dagestan, officially lub koom pheej ntawm Dagestan yog ib lub koom pheej ntawm Russia nyob rau hauv lub Caspian Hiav txwv, nyob rau hauv lub North Caucasus ntawm Eastern Europe. Nws nyob rau sab qaum teb ntawm Greater Caucasus, thiab yog ib feem ntawm North Caucasian Federal District.

Xab npum suds siv rau dab tsi?
Nyeem ntxiv

Xab npum suds siv rau dab tsi?

A xab npum suds enema yog ib txoj hauv kev kho cem quav. Qee tus neeg kuj siv nws los kho fecal incontinence lossis tshem lawv cov quav ua ntej kev kho mob. Thaum muaj ntau hom enemas, xab npum suds enema tseem yog ib qho ntawm ntau hom, tshwj xeeb tshaj yog rau cem quav.

Puas yog qhov kev xeem thib ob?
Nyeem ntxiv

Puas yog qhov kev xeem thib ob?

Qhov thib ob derivative yuav yog siv los txiav txim siab hauv zos extrema ntawm kev ua haujlwm raws li qee yam xwm txheej. Yog tias qhov kev ua haujlwm muaj qhov tseem ceeb rau qhov twg f′(x)=0 thiab qhov thib ob derivative yog qhov zoo ntawm qhov no, ces f muaj qhov tsawg kawg nkaus hauv zos ntawm no.