Hom twg muaj elaters?

Cov txheej txheem:

Hom twg muaj elaters?
Hom twg muaj elaters?
Anonim

- Elaters feem ntau pom nyob rau hauv liverwort hom, lawv yog cov hlwb uas muaj lub raj zoo li uas muaj thickening uas nyob rau hauv ib tug kauv zoo, cov no muaj nyob rau hauv lub spore capsules. thiab pab tau thaum lub sij hawm spore dispersion.

Cov nroj tsuag twg muaj elaters?

In the liverworts tseem hu ua hepaticopsida [piv txwv li Riccia, Marchantia], elators yog cov hlwb uas tsim nyob rau hauv cov sporophyte nrog rau cov spores. Lawv yog cov ua kom tiav cov hlwb, feem ntau nrog helical thickenings thaum loj hlob uas teb rau cov ntsiab lus noo noo.

YPob bryophytes puas muaj elaters?

Mosses thiab HorWorts

Mosses tsis muaj elaters. Nyob rau hauv ib qho kev loj hlob hornwort sporophyte tus tsim spores yog tov nrog sterile hlwb ntawm txawv daim ntawv.

YPob angiosperms puas muaj elaters?

Angiosperms yog cov pab pawg loj uas suav nrog cov nroj tsuag, uas muaj paj thiab tuaj yeem tawm cov noob uas muaj nyob rau hauv cov ntaub pua plag. Lawv yog tsis yog qeb uas pom cov neeg laus pom.

Nyob rau hauv qhov twg Pteridophyte uas elaters pom?

Elaters yog hygroscopic (tuaj yeem nqus dej) hauv qhov xwm txheej. Lawv lub luag haujlwm tseem ceeb yog dispersal ntawm spores thaum lawv thawb cov spores tawm ntawm cov nroj tsuag los ntawm absorbing noo noo. Elaters feem ntau pom nyob rau hauv Bryophytes, zoo li elaters hauv hepaticopsida thiab pseudo-elaters hauv anthoceropsida.

Pom zoo:

Nthuav cov khoom
Lo lus prosodically txhais li cas?
Nyeem ntxiv

Lo lus prosodically txhais li cas?

hais txog lub suab thiab lub suab (=txoj kev tus neeg hais lus lub suab nce thiab ntog) ntawm cov lus: Prosodic nta ua lub luag haujlwm tseem ceeb hauv kev tsim cov qauv kev ntxhov siab hauv cov lus thiab kab lus. prosodic teebmeem zoo li suab thiab intonation.

Vim li cas kuaj cov qib calcitonin?
Nyeem ntxiv

Vim li cas kuaj cov qib calcitonin?

Kev kuaj calcitonin feem ntau yog siv txhawm rau kuaj xyuas C-cell hyperplasia thiab medullary thyroid cancer medullary thyroid cancer Medullary carcinoma yuav xa mus rau ib qho ntawm ntau hom qog nqaij hlav ntawm epithelial keeb kwm. Raws li lo lus "

Thaum twg st sebastian raug ntaus?
Nyeem ntxiv

Thaum twg st sebastian raug ntaus?

Nws tau raug ntaus los ntawm Pope Benedict XIV hauv 1743 thiab canonized hauv 1807 los ntawm Pope Pius VII. Thaum twg Sebastian dhau los ua neeg dawb huv? St. 288, Rome [Italy]; Hnub ua koob tsheej Lub Ib Hlis 20), cov ntseeg thaum ntxov tau nrov los ntawm cov neeg pleev kob Renaissance thiab ntseeg tias tau tua neeg thaum muaj kev tsim txom ntawm cov ntseeg los ntawm Roman huab tais Diocletian.