आद्योद्भिद
adyodbhid (protofaita) aise ek ya bahukoshiy jiv haian jo paudhoan ki tarah apana bhojan taral roop mean hi grahan karate haian. inako dekhan se anuman kiya ja sakata hai ki vanaspatik srishti ka adi roop kaisa raha hoga. kuchh samany shaival (ailaji) bhi isi varg mean ate haian shaival aur ekakoshiki prajiv (protozoa) donoan ek sath ek-koshajiv (protista) varg mean rakhe jate haian. ye sanpoorn jivanasrishti ke adiroop mane jate hean. ek koshinoan ke kee varg haian, kuchh aise haian jo taral roop se bhojan lete haian, kuchh aise haian jo praniyoan ki tarah thos roop mean tatha kuchh aise bhi hote haian jo donoan prakar se bhojan prapt kar sakate haian. aantim roopavale jiv vicharak ke suvidhanusar paudhoan ya jantuoan donoan mean se kisi bhi shreni mean rakhe ja sakate haian. abhi tak inaki koee bhi paridridh paribhasha sanbhav nahian ho paee hai.
adyadbhid varg mean karban-sanshleshan (fotosianthesis) kriya hoti hai. yah kriya in paudhoan mean parnaharim or kabhi kabhi any rangoan ki sahayata se hoti hai. is kriya mean karban dai-aksaid aur pani se dhoop ki upasthiti mean jatil karabanik yaugik (jaise starch, vasa ityadi) banate haian. adyodbhid ke varg apane-apane rangoan ke adhar par pahachane ja sakate haian. ekakoshik adyodbhid char (gatishil, motil) hote haian tatha inake pakshm hote haian. pakshmoan ki sankhya or unaka vinyas pratyek varg ke lie nishchit hota hai. pray: pratyek varg mean achar roop bhi hote haian jo ek ya bahukoshikiy hote haian.[1]
adyodbhid mean prajanan atyant sadharan riti se hota hai. bahudha ekakoshika ke, chahe vah char avastha mean hi kyoan n hoan, do bhag ho jate haian. sthayi roopoan mean prajanan char bijanu (joospors) se bhi hota hai. miksofapisi varg mean laiangik bhed nahian hota, parantu adhikatar vargo ke pray: adhik vikasit roopoan mean laiangik bhed hota hai. klorofisiee mean visham laiangik prajanan hota hai. adyodbhid ki bahut si prajatiyaan, jo klorofisiee, miksifisiee adi mean shamil haian, sthayi hoti haian or inhean samany roop se shaival hi kaha jata hai. isake viparit, shaivaloan mean kuchh aise bhi akar haian jo adyodbhid roop se adhik vikasit haian or inake prachin roopoan ka pata bhi nahian milata. adyodbhid ke aise roop jo svachalit hote haian tatha jinamean koshikabhitti nahian hoti, shaivaloan se prithakh varg mean rakhe jate haian. is varg ko kashaang varg (flaijeleta) kahate haian (kash = chabuk). ye prajiv (protozoa) ke nikat haian paratu aisa vibhajan kritrim tatha anuchit pratit hota hai.[2]
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tika tippani aur sandarbh
sanbandhit lekh
[[Category:prani vijnan}}