कीटों का परिवर्धन

kit vishay soochi

kit    lakshan evan jatiyaan    poshan evan avas    sharirik lakshan    sir    rang-roop    vishesh aang    pachan tantr    shvasan tantr    tantrika tantr    parivahan tantr    utsarjan tantr    peshi tantr    janan tantr    parivardhan    roopaantaran    vanaspati aur kitoan ka sanbandh    parajivi kit    sangitajn kit    kit mandaliyaan aur samajik kit    jalavasi kit    kitoan ke poorvaj    kitoan ka bhaugolik vitaran    kit ganoan mean paraspar sanbandh

kitoan ka parivardhan
vibhinn prakar ke kit|200px|center
vivaran	kit pray: chhota, reangane vala, khandoan mean vibhajit sharir vala aur bahut-si taangoan vala ek prani haian.
jagat	jiv-jantu
up-sangh	heksapoda (Hexapoda)
kul	iansekta (Insecta)
lakshan	inaka sharir khandoan mean vibhajit rahata hai jisamean sir mean mukh bhag, ek jo di shrriangikaean, pray: ek jo di sanyukt netr aur bahudha saral netr bhi pae jate haian.
jatiyaan	praniyoan mean sabase adhik jatiyaan kitoan ki haian. kitoan ki sankhya any sab praniyoan ki sammilit sankhya se chhah guni adhik hai. inaki lagabhag das barah lakh jatiyaan ab tak jnat ho chuki haian. pratyek varsh lagabhag chhah sahastr nee jatiyaan jnat hoti haian aur aisa anuman hai ki kitoan ki lagabhag bis lakh jatiyaan sansar mean vartaman mean haian.
avas	kitoan ne apana sthan kisi ek hi sthan tak simit nahian rakha hai. ye jal, sthal, akash sabhi sthanoan mean pae jate haian. jal ke bhitar tatha usake oopar tairate hue, prithvi par rahate aur akash mean u date hue bhi ye milate haian.
akar	kitoan ka akar pray: chhota hota hai. apane sookshm akar ke karan ve vahut labhanvit hue haian. yah labh any dirghakay praniyoan ko prapt nahian hai.
any janakari	kitoan ki aisi kee jatiyaan haian, jo himaank se bhi lagabhag 50 seantigret niche ke tap par jivit rah sakati haian. doosari or kitoan ke aise varg bhi haian jo garam pani ke un shrotoan mean rahate haian jisaka tap 40 se adhik hai.

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kitoan mean aande ke sansechan ke pashchath parivardhan aranbh ho jata hai. praranbh mean do star vala mool patta ya jarm baiand banata hai, jo anuprasth rekhaoan dvara bis aandoan mean vibhakt ho jata hai. agale chhah khand sir, paravarti tin khand vaksh aur shesh khand telasan ke sath milakar udar banate haian. pratham khand aur telasan ke atirikt pratyek khand mean ek jo da bhrooniy avayav vikasit ho jata hai. avayavoan ke pratham yugm ka sanbandh dvitiy khand se rahata hai aur inase shrriangikaean banati haian. dvitiy jo di bahut hi chhoti aur kshanik hoti hai. tisari, chauthi aur paanchavi jo di ke avayav vikasit hokar maiandibal, maiksila aur lebiyam ban jate haian. inake pichhe vale tin jo di avayav kuchh b de tatha spasht hote haian. ye taangoan ke agravarti hai. udar ke avayavoan ki aantim jo di sarasaee ban jati haian kiantu shesh sab jo diyaan dianbh nikalane se poorv hi pray: nasht ho jati hai.

vriddhi

aande se nikalane ke pashchath hi vriddhi aranbh hoti hai. janm se praudhata tak kit ke akar mean jo vriddhi hoti hai, vah atyadhik ashchary janak hai. praudh kit ki tal tak janm hone ke samay ki taul se 1,000 se 70,000 guna tak ho sakati hai. itani adhik vriddhi aise khol ke bhitar, jisaka vistar badh nahian sakata, nahian ho sakati hai. at: khol ka tootana ati avashyak hai. yah keanchul ke patan se hi sanbhav hai. jirn bahyatvak ko keanchul kahate haian.

keanchul granthiyaan tatha praudh kit

jirn bahyatvak ke phatane se poorv hi isake bhitar vale adhicharm ki koshikaean navin bahyatvak ka utsarjan kar deti haian. tatpashchath inamean se kuchh vishesh prakar ki koshikaoan se, jo keanchul granthiyaan kahalati haian, ek drav padarth nikalata hai. yah drav padarth purane bahyatvak ke bhitari star ko vilin kar ne bahyatvak se prithakh kar deta hai, isako komal bhi bana deta hai tatha svayan purane aur ne bahyatvak ke madhy ek mahin jhilli si ban jati hai. aise samay mean kit mean vriddhi ho jati hai. keanchul patan ke pashchath kit ki akriti ko inastar kahate haian. jab kit aande se nikalata hai, to pratham instar hota hai, pratham keanchul patan ke pashchath kit dvitiy instar hota hai, aantim inastar poorn kit ya praudh kit kahalata hai.

panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh

sanbandhit lekh

kit vishay soochi

kit    lakshan evan jatiyaan    poshan evan avas    sharirik lakshan    sir    rang-roop    vishesh aang    pachan tantr    shvasan tantr    tantrika tantr    parivahan tantr    utsarjan tantr    peshi tantr    janan tantr    parivardhan    roopaantaran    vanaspati aur kitoan ka sanbandh    parajivi kit    sangitajn kit    kit mandaliyaan aur samajik kit    jalavasi kit    kitoan ke poorvaj    kitoan ka bhaugolik vitaran    kit ganoan mean paraspar sanbandh

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