Xov xwm thiab SocietyXwm

Raws li cov noog ua niam txiv? Nta ntawm lub tsev me nyuam system

Class Noog - qhov no yog ib tug nyias muaj nyias ib ceg ntawm hnyav tsiaj. Lawv tshwm sim los ntawm cov tsiaj reptiles. Tsiaj txhu ntawm no pab pawg neeg, txawm li cas los, twb tau kom hloov mus rau hauv lub davhlau.

Ua ntej xa mus rau lo lus nug ntawm yuav ua li cas lub mating noog, xav txog lawv cov biology.

General cov yam ntxwv ntawm cov chav kawm ntawv

Advanced nta ntawm lub koom haum yog cov nram qab no nta.

  1. High theem ntawm lub paj hlwb txoj kev loj hlob, thiab thiaj li ib tug loj ntau yam ntawm embodiments ntawm adaptive tus cwj pwm.
  2. Lub qhov siab lub cev kub, uas yog vim intensive metabolism.
  3. Muab piv nrog rau subordinate cov chav kawm ntawv thiab subtypes ntawm cov tsiaj, noog muaj ntau zoo meej tu tub tu kiv mechanism, uas ua nyob rau hauv noj ntawm daug lawm qe, thiab progeny.
  4. Muaj kabmob rau adaptive davhlau thiab nyob rau tib lub sij hawm, muaj peev xwm yuav tawm mus rau ntawm qhov chaw ntawm lub teb chaws, thiab nyob rau hauv ib co hom - muaj peev xwm ua luam dej thiab txav mus los ntawm cov dej saum npoo.

Qhov saum toj no hauv chav kawm ntawv nta cia cov tsiaj kis thoob plaws lub ntiaj teb.

Tus txiv neej hloov khoom nruab nrog

Noob qes - ib tug khub ntawm taum-zoo li tus lub cev, uas yog pov tseg lawm lub sab saum toj ntawm ob lub raum. Lawv tshem tawm los ntawm lub mesentery. Tus nqi ntawm cov noob qes mas nws txawv thoob plaws hauv lub xyoo. Thaum lub sij hawm yug me nyuam rau lub caij, cov uas lub cev yuav muaj zog. Yog li ntawd, Finch, piv txwv li, tej zaum lawv yuav ua rau kom dua nyob rau hauv 1125, thiab thaum tej ceg ntoos 1500 lub sij hawm.

Rau sab hauv ntawm lub noob qes txuas me me appendages. Depart los ntawm lawv vas efferens, extending thaum uas tig mus rau lub ureter thiab empties rau hauv lub cloaca. Muaj hom noog uas vas efferens tsim me me expansion - noob npuas uas pab raws li ib yam ntawm cov reservoir rau cov phev.

Copulatory hloov khoom nruab nrog tsis muaj tag nrho txhua hom. Ua tau hauj lwm nyob rau hauv chaw mos noog yog ib tug diverticulum ntawm lub cloaca. Nws yog tam sim no nyob rau hauv ostriches, tinamou, gus. Nyob rau hauv bustards, storks thiab herons copulatory hloov yog rudimentary.

Teb cov lus nug ntawm yuav ua li cas mus ua niam txiv ib tug noog, nws yog tsim nyog sau cia hais tias nyob rau hauv feem ntau hom fertilization tshwm sim nyob rau cov nuj nqis ntawm ze mus kom ze lub qhov quav ntawm cov poj niam thiab txiv neej, thaum tus txiv neej ejaculates phev.

Poj niam genitals

Tshwj xeeb tshaj yog txoj kev loj hlob ntawm lub tsev me nyuam system ntawm cov pojniam nyob rau hauv cov noog yog hais tias nws dramatically asymmetric nyob rau hauv feem ntau hom, xws li Nws muaj lub sab laug zes qe menyuam thiab oviduct sab laug. Txoj cai zes qe menyuam muaj nyob rau hauv ob peb noog: loons, owls, nqaij qaib, cov yug yaj, parrots, ib co of prey. Tab sis txawm zoo-tsim hlau nyob rau hauv cov ntaub ntawv no tsis tshua muaj ua hauj lwm. Nws thiaj li tshwm sim hais tias lub qe matured nyob rau hauv txoj cai zes qe menyuam yog tso zis los ntawm sab laug oviduct.

Yog vim li cas rau qhov no asymmetry yog tias poj niam noog nteg loj qe nrog ib tug nyuaj plhaub, uas tsiv mus nyob rau lub oviduct rau ib ntev lub sij hawm - txog 2 teev.

Zes qe menyuam nruab nrab yog granular irregularly zoo li tus cev. Nws yog nyob rau hauv pem hauv ntej ntawm lub raum. Lub qhov ntev ntawm lub zes qe menyuam nyob rau hauv lub kom loj hlob ntawm lub qe nyob rau hauv nws.

Oviduct - nws yog ib tug ntev lub raj uas matured qe tsiv. Nws yog kev cob cog rua ntawm ib xaus mus rau cloaca thiab lwm yam - nrog rau lub cev muaj kab noj hniav.

Oviduct muaj ob peb departments. Keeb kwm nplua nuj tshwj xeeb qog uas paim lub protein. Nyob rau hauv seem no lub qe yog hais txog 6 sij hawm thiab yog them los ntawm tus thawj tiv thaiv txheej. Qhov thib ob seem yog ntau hloov maj mam, nws yog them nrog lub qe zoo li podskorlupovymi. Tom ntej no pem hauv ntej ntawm lub oviduct - lub tsev menyuam. Nws qe yog hais txog 20 teev. Muaj tsim calcareous plhaub thiab ntau yam pigments uas tau tsuas. Xeem division - qhov chaw mos los ntawm nws lub qe tau txais mus rau hauv lub cloaca, thiab ces - mus rau tus sab nraum.

Tag nrho cov nqe vaj lug kub ntawm lub qe los ntawm cov oviduct ntawm nqaij qaib yog hais txog 24 cov sij hawm, cov nquab - 41 teev.

Tshwj xeeb tshaj yog yuav nteg qe

Txawm tias tag nrho cov chaw ua taus zes tswvyim, txhua txhua hom ntawm ib tug neeg cov noog.

Kawm lo lus nug ntawm yuav ua li cas mus ua niam txiv cov noog tsev, xws li ib tug qaib rau Piv txwv li, nws yog ib nqi nco ntsoov hais tias lawv muaj peev xwm nteg qe tsis muaj ib tug txiv neej. Qhov no txhais tau tias cov ntsaws qe yog unfertilized.

txiv neej noob qes pib ua, loj hlob nyob rau hauv loj - cov txivneej yog npaj txhij rau fertilization. Muaj yog ib tug hloov lwm lub tsev ntawm kev tshuaj ntsuam genetic khoom mus rau poj niam, uas tom qab ib tug tej lub sij hawm pib nteg qe. Lawv tus xov tooj yog tsis tau tib yam nyob rau hauv hom sib txawv ntawm cov noog.

Lub tu tub tu kiv ntawm cov noog yuav siv sij hawm qhov chaw sib txawv caij. Biology ntawm hom yog heev ntau haiv neeg. Yog hais tias ib hom npaj txhij mus yug nyob rau hauv thaum ntxov caij nplooj ntoos hlav, lub lwm - tsuas yog nyob rau hauv nruab nrab ntawm lub caij ntuj sov. Ib txhia noog yog sedentary thiab zes nyob rau hauv tib lub qhov chaw, tab sis lwm tus neeg txog ntawm nyob deb pawg neeg thaj av cia li rau lub sij hawm ntawm ua zes thiab yug me nyuam.

Yuav kom to taub zoo dua yuav ua li cas cov noog ua niam txiv muaj tej hom, nws yog tsim nyog los xyuas tus neeg yam ntxwv ntawm kev sib deev system ntawm nws cov neeg sawv cev.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 hmn.atomiyme.com. Theme powered by WordPress.