Nqaij tus kheej fertilize?

Cov txheej txheem:

Nqaij tus kheej fertilize?
Nqaij tus kheej fertilize?
Anonim

Vim tias txhua tus qwj tuaj yeem tsim cov phev thiab qe, lawv muaj ntau dua ib qho kev xaiv thaum muaj menyuam - lawv tuaj yeem nrhiav tau tus khub, lossis lawv tuaj yeem fertilize lawv tus kheej. … Me nyuam qwj uas tsim los ntawm nws tus kheej fertilization muaj tsawg dua txoj kev ciaj sia. Auld hais tias "Kev ua qoob rau tus kheej yog kev siv zog kawg," said Auld.

Qwj nws tus kheej fertilize ntau npaum li cas?

Thaum cov xwm txheej zoo (huab cua sov, av noo), qwj tuaj yeem rov tsim dua li niaj zaus ib hlis ib zaug. Garden snails 'reproduction yog ceev heev uas qhov nruab nrab qwj tuaj yeem tso tau 86 lub qe rau ib lub voj voog, thiab nrog rau qhov nruab nrab ntawm tsib lub voj voog kev loj hlob ib xyoos, txhua tus qwj tuaj yeem tso tau 430 qe hauv ib xyoos.

Qav tuaj yeem nteg qe yam tsis muaj kev sib tw?

Nws nyob ntawm hom. Lwm tus nyiam fertilize nws tus kheej, yog li lawv tsis xav tau lwm tus los nteg qe. Tom qab fertilization, lub qe mus dhau ib txheej txheem ntawm kev loj hlob nyob rau hauv lub qwj, kom txog thaum lawv npaj txhij xa.

Aquarium kwj tuaj yeem tsim nws tus kheej?

Muaj txog 5,000 hom ntses dej qab zib sib txawv, tab sis lawv lub neej zoo sib xws. … Ntau hom ntses dej qab zib yog hermaphrodites, txhais tau hais tias lawv muaj ob qho tib si txiv neej thiab poj niam cev nqaij daim tawv, thiab tuaj yeem tsim tau tus kheej zoo li qub, txhais tau tias tsis tas yuav tsum tau ob lub qwj.

snails puas tuaj yeem yug me nyuam?

Snails yog mollusks ntawm chav kawm Gastropoda, chav kawm loj thiab ntau yam sib txawv. … Qee cov qwjyog hermaphrodites, ib co reproduces kev sib deev thiab qee lub pas dej dej tshiab reproduce asexually. Ob peb hom, suav nrog New Zealand av nkos (Potamopyrgus antipodarum), tuaj yeem tsim tawm ob qho tib si sib deev thiab sib deev.

Pom zoo: