swimmeret. [swĭm′ə-rĕt′] Ib qho ntawm lub plab ua ke ntawm qee cov dej crustaceans, xws li cws, lobsters, thiab isopods. Swimmerets feem ntau pom muaj nyob rau thawj tsib ntu hauv plab thiab feem ntau xaus hauv cov ceg ntoo zoo li khub.
Swimmerets yog dab tsi?
: ib qho ntawm cov khoom me me uas tsis muaj tshwj xeeb hauv qab plab ntawm ntau cov crustaceans uas yog qhov zoo tshaj plaws tsim nyob rau hauv qee qhov decapods (xws li lobster) thiab feem ntau ua haujlwm hauv locomotion lossis luam tawm..
Dab tsi yog Swimmerets?
Qhia rau cov menyuam kawm ntawv tias cov swimmerets muaj peb txoj haujlwm. Lawv pab cov crayfish ua luam dej, lawv txav dej hla lub gills kom ua pa, thiab ntawm tus poj niam lawv tuav tus larva.
Lub ntsiab lus ntawm Cheliped yog dab tsi?
: ib nkawm ob txhais ceg uas dais cov chelae loj hauv decapod crustaceans.
Cheliped siv rau dab tsi?
Qhov tshwj xeeb tshaj plaws ntawm tus crayfish yog ob leeg ntawm caj dab-cov kabmob, hu ua chelipeds, uas txuas rau pem hauv ntej ntawm lub thorax. Cov ko taw no yog cov cuab yeej tshwj xeeb crayfish siv txiav cov zaub mov, ntes cov tsiaj nyeg, sib ntaus sib tua thiab tiv thaiv cov tsiaj nyeg
