Cov txheej txheem:

Dab tsi yog hom kwj dej yooj yim tshaj plaws hauv porifera?
Dab tsi yog hom kwj dej yooj yim tshaj plaws hauv porifera?

Video: Dab tsi yog hom kwj dej yooj yim tshaj plaws hauv porifera?

Video: Dab tsi yog hom kwj dej yooj yim tshaj plaws hauv porifera?
Video: 2/23/22. Poj Nplog Yug Tau Me Nyuam Txawv Heev/Meskas Muab Russia Kaw Ib Puas Tsav Yam/Hmong News. 2024, Kaum ib hlis
Anonim

Canal system Leucosolenia yog ascon yam . Nws yog tus hom kwj dej uas yooj yim tshaj plaws pom hauv daim txhuam cev . Dej nkag ncaj qha los ntawm ostia mus rau hauv nruab nrab spongocoel, uas yog kab los ntawm choanocytes, thiab tawm los ntawm osculum.

Ua raws li qhov no, dab tsi yog 3 hom kwj dej hauv cov sponges?

Peb lub ntsiab ntawm cov kwj dej hauv qhov kev txiav txim ntawm qhov nyuaj yog asconoid, syconoid thiab leuconoid (2)

  • Asconoid Canal System.
  • Cov pores tshwm sim uas dhau los ntawm porocytes rau hauv spongocoel.
  • Syconoid Canal System.
  • Leuconoid Canal System.

Tsis tas li, vim li cas porifera muaj ntau hom kwj dej hauv lub cev? Porifera muaj 3 ntau hom kwj dej vim hais tias ntawm kev npaj thiab complexity ntawm internal channels (chaw) sib txawv considerably nyob rau hauv txawv sponges raws.

Hais txog qhov no, muaj pes tsawg hom kwj dej muaj nyob rau hauv porifera?

Cov kwj dej system hauv sponges yog ntawm peb hom ascon, sycon thiab leucon yam thiab nyob ntawm qhov nyuaj ntawm qhov system , cov kwj dej systems muaj nyob rau hauv ntau hom ntawm daim txhuam cev tab sis tag nrho poriferans muaj kab noj hniav paragastric lossis spongocoel.

Ascon hom kwj dej yog dab tsi?

Ascon hom kwj dej system yog ib tug nrog flagellated spongocoel. Nws yog qhov yooj yim tshaj plaws hom kwj dej system . Hauv no hom kwj dej system , dej nkag los ntawm ostia mus rau hauv spongocoel thiab tawm los ntawm osculum. Daim txhuam cev nrog ascon hom kwj dej system hu ua asconoid sponge e.g., Leucosolenia.

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