Trochophore larva nyob qhov twg?

Cov txheej txheem:

Trochophore larva nyob qhov twg?
Trochophore larva nyob qhov twg?

Video: Trochophore larva nyob qhov twg?

Video: Trochophore larva nyob qhov twg?
Video: Koj pom dab tsi? What do you see? 2024, Hlis ntuj nqeg
Anonim

Kuj pom muaj nyob hauv Mollusca thiab lwm yam phyla kuj. Cov yam ntxwv tseem ceeb ntawm Trochophore larva: Nws yog ib feeb pelagic ob sab symmetrical oval los yog ovoid zoo li tus larval tsiaj los yog zooplankton tab sis kuj tuaj yeem pom ntawm epipelagic zone.

pom trochophore larvae nyob qhov twg?

Hint: Lub trochophore larva yog plankton zoo li translucent, dawb-ua luam dej, ciliated qauv pom nyob rau hauv cov kab mob nyob hauv dej hiav txwv dej, tshwj xeeb tshaj yog nyob rau hauv cov dej worms. Nws tseem hu ua Troposphere. Cov larvae feem ntau muaj sia nyob los ntawm kev noj cov planktonic pawg hauv hiav txwv.

Pab pawg twg muaj daim ntawv trochophore larval?

Trochophore, tseem hu ua trochosphere, me me, translucent, dawb-ua luam dej larva yam ntxwv ntawm marine annelids thiab feem ntau pawg ntawm mollusks.

Txhua tus mollusks puas muaj trochophore larvae?

Molluscs suav nrog cov tsiaj uas paub zoo li clams, oysters, qwj, thiab octopi. Lawv sib koom cov poj koob yawm txwv nyob deb nrog cov kab mob annelid, cov cuab yeej cuab tam hloov pauv tau qhia los ntawm lawv daim ntawv larval, hu ua trochophore larva, pom nyob rau hauv tag nrho cov molluscs thiab hauv qee qhov marine annelids hu ua polychaete worms.

Puas sponges muaj trochophore larvae?

Lawv suav rau 95% ntawm cov tsiaj paub. Lophotrochozoan - muaj ib lub lophophore (lub crown ntawm cilia nyob ib ncig ntawm lub qhov ncauj) los yog ib tug trochophore ( larvae uas muaj cilia nyob ib ncig ntawm lawv nruab nrab). … Porifera- Sponges yog cov tsiaj basal uas tsis muaj cov ntaub so ntswg tiag.

Pom zoo: