Pob brachiopods puas muaj plhaub?

Cov txheej txheem:

Pob brachiopods puas muaj plhaub?
Pob brachiopods puas muaj plhaub?
Anonim

Systematic thiab Taxonomic Keeb Kwm. Cov tsiaj no muaj ob lub plhaub, lub brachial thiab pedicle valve, zais los ntawm cov yam ntxwv mantle quav, uas yog txuas ntxiv ntawm cov metasome thiab muaj cov kwj dej metacoelomic mantle. Brachiopods muaj kab ntawm setae, txhua tus zais los ntawm ib lub xovtooj ntawm tes, raws ntug ntawm lub mantle.

Yuav muaj pes tsawg lub plhaub brachiopods?

Brachiopods muaj ob lub li qub (plhaub) uas feem ntau ntawm qhov loj thiab cov duab tsis sib xws, tab sis sab xis thiab sab laug ntawm txhua lub valve iav ib leeg. Nyob ze ntawm lub plhaub hauv qab (lub pedicle valve), lub cev nqaij daim tawv (pedicle) tshwm sim los ntawm lub qhov (pedicle qhib) thiab txuas tus tsiaj mus rau hauv qab hiav txwv.

Pob brachiopods muaj ob lub plhaub?

Brachiopod yog ib qho invertebrate uas belongs rau phylum Brachiopoda. Lawv muaj lub plhaub nrog ob lub valve kaw ib leeg. Feem ntau, ib lub valve loj dua li lwm qhov. Lub valve loj dua muaj lub qhov hu ua pedicle foramen, li no lub npe pedicle valve.

brachiopods plhaub ua los ntawm dab tsi?

Rhynchonelliform (articulate) brachiopodsRhynchonelliform brachiopods muaj plhaub ua

calcium carbonate thiab interlocking pegs (cov hniav) thiab cov qhov (sockets) uas tsim ib pob khawm ntawm li qub.

Koj tuaj yeem paub qhov txawv ntawm cov pob txha ntawm brachiopods thiab bivalves?

Tus yuam sij rau kev paub qhov txawv ntawm brachiopods los ntawm bivalves yog txiav txim siab lawv cov kab sib luag. Bivalves muaj lub dav hlau ntawm symmetry uastxiav ntawm lawv ob lub valve. Lawv muaj symmetry zoo ib yam li peb ob txhais tes.

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