He aha tuku Volvox ki rite kaiao pūtau-tahi? Ko te hanganga o Volvox pükohu

I roto i te ao i reira e pera maha kaiao mōkitokito faahiahia. Ki te haere mai te tangata ki toku matenga te rārangi o e whitu whakamiharo o te microcosm, te Volvox ngä pükohu e tino kua whakaurua i roto i tenei rārangi.

pükohu matomato

Volvox - he pükohu matomato. tīariari ratou i roto i te puka o koroni. He aha tuku Volvox ki rite kaiao pūtau-tahi? Ko te whakahoki kōrero ko iho tino ohie: nga rimurimu iti kotahi, me te ko te pūtau e kua rua flagella me makawe.

E hono e whenu angiangi o te cytoplasm ki ia atu, e taea ai te koroni ki te kauhoe i roto i te kotahi ngā pūtau kotahi. māngai takitahi anake makawe me te flagella hoki he wahi whero iti, he pera-ka karanga kanohi i.

pārōnaki pūtau homai he māngai pükohu ahurei. Ia koroni he timatanga me te mutunga, i roto i te kupu atu, i nga amo Te Tai Tokerau me Tonga. I roto i te rohe tuatahi, kua kite i te haaputuputuraa atu korerotia o puku whakawhanakehia. E āwhina ana tēnei i te pükohu ki kauhoe ki te marama. Ko te kupu, he koroni o kaiao pūtau-tahi i roto i te ahua kia pai haere hoki te rauropi multicellular.

Volvox: hanganga

A, no te ui aha tuku Volvox ki kaiao rite pūtau-tahi, he utu te whakahua e taea te pūtau kotahi kia ki runga ki te 2 mitamano te whānui (i roto i te koroni nui - ki runga ki te 2 cm) te reira, kia taea e ratou te ngāwari kitea ki te kanohi tahanga. E hono e kakawaea angiangi o te cytoplasm ētahi pükohu.

Volvox pükohu i te hanganga tika ohie. ki tonu te kōhao pokapū ki hūpē. pūtau katoa i rua flagella, e kua piri i te mutunga mua. Ia pūtau i roto i te pūtau mahi tona mahi o te kai tōtika, respiration me te excretion. kia porohita, porotītaha, ranei porotītaha te āhua. Kei te hipoki ano te paparanga waho e hūpē. kua he kanohi kotahi i roto i te puka o te wahi i runga i te pito mua ia pūtau.

uri

pükohu Volvox uri ara rawa ngā, me te ara whakaongaonga. Ka taea e ratou uri e rua asexually me moepuku. Ki runga ki te tirohanga ofi taea kite koe e te nuinga o te koroni kei roto i ngā wāhi motuhake, e te hunga kua huaina gonads.

Ko te tohu tenei o te whakaputa uri tōtahi. Gonads i ngā pūtau tupu huri noa te weheruatanga o te koroni. Ēnei pūtau tupu me mamae te raupapa o wehenga noa hanga ratou poi iti. I roto i tenei take, ko te flagella roto te porohita hou. Hei tango ratou, me tahuri te pūtau koe i roto i roto i.

Ka taea e Volvox uri ratou rite moepuku. Ka rite ki whakaputa uri tōtahi pūtau motuhake kohikohi a tawhio noa te kōpae waenganui. koroni he tane, he wahine i hanga o ngā pūtau iroriki.

pūtau parāoa e hanga e e wehenga. Wahine pūtau sex kore e wehe, engari ake i noa i roto i te rahi. Te nuinga o ngā momo i te tane me te koroni wahine. Ētahi he hermaphrodites.

Volvox me te rā

Kitea o ngā rōpū o koroni i raro i te karu marama ko te titiro pono mīharo. Ki te waiho koe nui te mokowā i raro i te pōtae ki te paheke, timata i te ao matomato iti ki te rewa āta ki te backlight.

Ko te tino ngāwari ki te kitea Volvox. Katoa e hiahia ana ratou ki te - te reira tino ma, me te wai mahana, taonga i roto i ngā matūkai. He wa pai ki te mau - raumati. Scooping ake he torutoru ngā tauira matomato taea te kite i rite te pēke ki te wai o te "hāroto korōria" Ka pükohu kia ngā ki te marama.

wāhi noho

He aha tuku Volvox ki rite kaiao pūtau-tahi? Tatou i te reira. He he hanganga pūtau-tahi Volvox, e kore e taea e te tīariari te reira i roto i te noho wehe, kia maha hanga koroni porohita o runga ki te 50 000 takitahi. Ehara i te tika te mea te pūtau he rauropi mōkitokito. puta te reira i ona tukanga faufaa. Ko te aha tuku Volvox ki kaiao rite pūtau-tahi.

nohonga pai hoki enei pükohu he wai hou. E kitea ana ēnei microorganisms i roto, waikeri me ara i roto i harotoroto pāpaku. He Volvox pükohu i roto i te matamua i te ao. E ai ki nga whakapae a te kaipūtaiao, he ara taiwhenua o te ora, ko ratou tonu 200 miriona tau ki muri.

Volvox - te rauropi tino whakawhanakehia o tona ahua. hanga te reira i te porohita, ellipsoid koroni ovoid ranei. Kei roto chlorophyll nga pūtau pükohuwai, na te whakarato ratou ratou kai i roto i te ahotakakame. mahi pūtau takitahi ia mo te pai o te koroni, a tahi mahi ratou rite te rauropi kotahi.