जलवासी कीट

भारत डिस्कवरी प्रस्तुति
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kit vishay soochi
jalavasi kit
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.

kitoan ki ek b di sankhya jal mean rahati hai. ye adhikatar mithe pani mean rahate haian, kuchh khare pani aur samudr mean bhi pae jate haian. in kitoan ke bahut se lakshan upayogi hote haian. bahut se kala pakshoan ki chikani aur chamakati huee deh tairate samay pani ki rukavat kam kar deti hai. bahut se kitoan mean jal pravah mean bahane se bachane ke lie vishesh prakar ke sadhan pae jate haian, jaise kali makkhiyoan ke dianbh resham ke dhagoan ko atakae rakhate haian. machchharoan ke dianbhoan mean shvasaradhran ke charoan or paee jane vali granthiyoan se tel mila hua srav nikalata hai. isake karan in sthanoan ke bahyatvak mean jalasantrasik gun a jata hai aur vahaan jal thahar nahian pata hai. at: shvasan berok tok hota rahata hai. kuchh kitoan, jaise paudyoora aikvatika[1] mean aise bal hote haian, jinake karan bahyatvak jalasantrasik ho jata hai. is gun ke karan shvas pranal mean jal nahian pravesh kar pata hai. inamean bhojan prapt karane ke lie bhi vishesh sadhan hote haian, yatha-odineta ke nianphoan mean lebiyam ka ghooanghat ek jal ka kary karata hai. machchharoan ke dianbhoan ke mukhoan mean kanpanakari burush hote haian jo jal mean laharean utpann karate haian aur is prakar bhojan ke sookshmakan inaki grasika mean pahuanch jate haian. daitiskas[2] ki pichhali taangean patavar ke akar ki ho jati haian.

notonaikta[3] aur daitiskas[4] tairate samay apani donoan patavarean ek sath hi chalate haian, kiantu haidrophilas[5] apani pichhali taange[6] pari-pari se chalata hai. jirainas[7] namak kanchuk paksh madhy aur pashch taangoan se, jinamean bahut parivartan a jata hai, tivrata se chakkar lagate hue ghoomata aur tairata hai. kuchh makkhiyoan aur machchharoan ke dianbh udar ki peshiyoan ke prabal udyog dvara tairate haian. bahut chhote chhote polinima[8] namak kala paksh, jo jalavasi kitoan ke aandoan mean parashrayi hote haian, apane pakshoan ki sahayata se jal mean tairate haian. jalavasi kitoan ke shvasan tantr mean bahut se parivartan a jate haian. ye trekiya, jal shvasanika ya rakt jalashvasanika dvara shvasan karate haian. kuchh kit vayu ko apane pas jama kar lete haian aur jab ve jal mean doobe hote haian tab usaka upayog karate haian. dvipakshoan ke korthreaa[9] namak kit ke paradarshi dianbh ka trekiya tantr sem ke akar ki do jo di thaili si ban jati hai. ye thailiyaan utplavan iandriy ka kary karati haian. yah dianbh in thailiyoan ka pariman kisi ajnat vidhi se paravartit kar sakata hai aur is prakar jal ki jis gaharaee mean chahe usi ke anusar apekshik gurutv utpann kar pata hai.


panne ki pragati avastha
adhar
prarambhik
madhyamik
poornata
shodh

tika tippani aur sandarbh

  1. Podura aquatica
  2. Dytiscus
  3. Notonecta
  4. Dytiscus
  5. Hydrophilus
  6. patavarean
  7. Gyrinus
  8. Polynema
  9. Corethro

sanbandhit lekh

kit vishay soochi

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