Parapodia txhais li cas?

Cov txheej txheem:

Parapodia txhais li cas?
Parapodia txhais li cas?
Anonim

Nyob rau hauv invertebrates, lo lus parapodium hais txog lateral outgrowths los yog protrusions ntawm lub cev. Parapodia feem ntau pom muaj nyob rau hauv annelids, qhov chaw uas lawv yog khub, un-jointed lateral outgrowths uas dais lub chaetae. Hauv ob peb pawg ntawm hiav txwv snails thiab hiav txwv slugs, 'parapodium' yog hais txog lateral fleshy protrusions.

parapodia ua dab tsi?

Parapodia yog khub, tsis sib koom ua ke nrog cov kab mob sib kis tau pom nyob rau hauv cov kab mob polychaete, uas feem ntau cev nqaij daim tawv (tshwj xeeb tshaj yog nyob rau hauv marine polychaetes) thiab siv rau locomotion, ua pa, thiab lwm yam haujlwm.

Dab tsi yog Atoke?

: qhov anterior sexless ib feem ntawm qee cov kab mob polychaete los ntawm kev loj hlob ntawm kev sib deev- piv epitoke.

chav kawm twg muaj parapodia?

D. Archiannelida. Tswv yim: Cov qauv uas feem ntau pom nyob rau hauv marine gastropods yog Parapodia, uas ua raws li ib tug ko taw uas bears lub lateral projections. Lawv feem ntau muaj nyob rau hauv ib chav kawm uas suav nrog xuab zeb worms, tube worms, thiab clam worms, uas suav nrog hauv phylum Annelida.

Vim li cas nereis muaj parapodia?

Nereis muaj setae thiab parapodia rau locomotion. Lawv yuav muaj ob hom setae, uas muaj nyob rau ntawm parapodia. Acicular setae muab kev txhawb nqa. Locomotor setae yog rau kev nkag mus, thiab yog cov bristles uas pom nyob rau sab nrauv ntawm Polychaeta.

Pom zoo: