Txhais li cas los ntawm crustaceous?

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Txhais li cas los ntawm crustaceous?
Txhais li cas los ntawm crustaceous?

Video: Txhais li cas los ntawm crustaceous?

Video: Txhais li cas los ntawm crustaceous?
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Anonim

: ntawm, ntsig txog, muaj, lossis tsim cov pob zeb lossis plhaub.

lo lus Cretaceous hais txog dab tsi?

: ntawm, ntsig txog, lossis yog lub sijhawm kawg ntawm Mesozoic era tus yam ntxwv los ntawm kev tswj hwm ntawm cov tsiaj reptiles, tshwm sim dominance ntawm angiosperms, ntau hom tsiaj, thiab kev tuag ntawm ntau hom kab mob nyob rau lub sij hawm kaw kuj: ntawm, hais txog, los yog raws li cov txheej txheem ntawm pob zeb - …

Crustacean yooj yim txhais yog dab tsi?

: ib qho ntawm cov chav loj (Crustacea) ntawm feem ntau cov dej mandibulate arthropods uas muaj chitinous lossis calcareous thiab chitinous exoskeleton, ib khub ntawm feem ntau hloov kho appendages ntawm txhua ntu, thiab ob lub kav hlau txais xov thiab uas suav nrog lobsters, cws, crabs, ntoo ntshauv, dej fleas, thiab barnacles.

lub npe crustacean txhais li cas?

Ib tug crustacean yog ib tug tswv cuab ntawm ib chav kawm ntawm arthropods uas nyob hauv dej Qee yam ntawm koj nyiam nqaij nruab deg los ntawm crustaceans - crabs, lobsters, thiab cw. … Yog tias koj xav txog lub pob zeb me me zoo li lub plhaub, uas tuaj yeem pab koj nco ntsoov cov crustaceans yog qhov tseem ceeb uas muaj cov plhaub.

Tus neeg pheej yig yog dab tsi?

: tus neeg siab phem lossis qias neeg tshwj xeeb: tus uas sim zam kom tsis txhob them tus nqi ncaj ncees lossis cov nuj nqis.

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