In the liverworts tseem hu ua hepaticopsida [piv txwv li Riccia, Marchantia], elators yog cov hlwb uas tsim nyob rau hauv 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.
Elater hauv biology yog dab tsi?
: a cov qauv cog ua haujlwm hauv kev tawg ntawm spores: xws li. a: Ib qho ntawm cov elongated filaments ntawm cov spores nyob rau hauv lub capsule ntawm lub liverwort. b: ib qho ntawm cov filamentous appendages ntawm spores nyob rau hauv horsetails.
Elater yog dab tsi thiab nws txoj haujlwm?
Elaters yog cov ribbon lossis raj zoo li cov qauv txuas rau ntawm phab ntsa ntawm spore. Kev ua haujlwm elators yog txhawm rau txhawm rau txhawm rauvim tias lawv thawb cov spores tawm ntawm cov nroj tsuag los ntawm kev nqus dej.
Nyob rau hauv qhov twg Pteridophytes elaters pom?
Lawv lub luag haujlwm tseem ceeb yog kev faib tawm ntawm cov spores thaum lawv thawb cov spores tawm ntawm cov nroj tsuag los ntawm kev nqus dej. Elaters feem ntau pom nyob rau hauv Bryophytes, zoo li elaters hauv hepaticopsida thiab pseudo-elaters hauv anthoceropsida. Txawm li cas los xij, qee cov ntaub ntawv kuj tau pom hauv Pteridophytes xws li Equisetum.
Pseudoelaters pom nyob qhov twg?
Elaters thiab pseudoelaters yog cov hlwb uas tsis muaj menyuam, uas lawv ua ke nrog cov spores thiab tso rau hauv li qub, Elaters feem ntau muaj nyob rau hauv hepaticopsida whereas pseudoelaters muaj nyob rau hauv Anthocerotopsida.
