Nkauj Ntxawm thiab lawv cov txheeb ze muaj tsib ob txhais ceg, rau 10 ceg hauv tag nrho. Txawm li cas los xij, qee qhov ntawm lawv ob txhais ceg tau hloov zuj zus los ua haujlwm ntxiv rau kev taug kev, xws li kev tiv thaiv tus kheej, nrhiav zaub mov thiab ua luam dej.
Puas yog roob ris kaum ceg?
Craj tiag tiag thiab lawv cov txheeb ze muaj tsib ob txhais ceg, rau 10 ceg tag nrho.
Vim li cas khaib muaj 8 ceg?
lawv yog decapods. Qhov no txhais tau tias lawv muaj 10 libs. Pem hauv ntej ob txhais ceg muaj claws, hu ua pincers. Lwm yim ceg yog siv taug kev.
Npauj npaim qaib muaj pes tsawg leeg?
Zoo li cws thiab lobsters, hermit crabs yog deca-pod crustaceans: Lawv muaj 10 ceg. Thawj ob txhais ceg yog hloov mus rau hauv claws los yog chelipeds. Nyob rau hauv hermit crabs, ob thiab peb ob txhais ceg nthuav tawm sab nraum lawv lub plhaub tsev thiab siv taug kev.
Pob zeb muaj lub siab?
Crab tsis muaj lub siab Lawv muaj lub cev qhib. … Nws yog hu ua qhib circulatory system vim cov ntshav tsis ntws nyob rau hauv ib lub voj kaw zoo li nws ua nyob rau hauv ib tug tib neeg lub kaw circulatory system – uas muaj lub plawv, hlab ntsha thiab cov hlab ntsha kom rov qab cov ntshav mus rau lub plawv.
