TsimScience

Phaw twj kum kab

Phaw twj kum kab - ib tug kab uas belongs rau tsev neeg ntawm scarab thiab arthropods hom. Nws yeej muaj nyob thoob plaws, tsuas yog cov tundra thiab taiga. Preference yuav muab mus rau hav zoov nrog deciduous ntoo. Nws muaj peev xwm yuav nrhiav tau nyob rau hauv lub vaj, raws li zoo raws li nyob rau hauv cheeb tsam uas muaj dag plantings. Lub npe ntawm no kab no zoo heev haum rau nws tsos. Kab yeej heev npaum li tam sim no phaw twj kum. Ib yam li ntawd, tus tsiaj lawv muaj nyob rau hauv pem hauv ntej ntawm lub taub hau protuberance - horn. Tsis tas li ntawd, ib tug kab lub cev them nrog ib tug tuab txheej ntawm chitin "ris tsho ua rog". Sluggish moj yam thiab tag nrho cov guise ntawm no kab ua rau nws ib tug tej yam me me ntsis ntawm ib tug loj tsiaj.

Phaw twj kum kab muaj ib tug loj heev lub cev, uas ntev yuav tsum yog los ntawm nees nkaum-tsib mus rau plaub caug centimeters. Nws ob txhais ceg muaj zog thiab tuab. Pem hauv ntej tsim los ua lub zog ntawm kev khawb, thiab rear, nrog me me spines thiab cov hniav - kev them nyiaj yug. Cov txiv muaj ib tug kab nyob rau hauv pronotum Tridentata ntoo khaub lig nce. Recurved horn nyob rau hauv lub taub hau. Nyob rau hauv cov maum ntawm tus hneev nce cia li ib tug me me ib lub menyuam pob. Sab nraum qab ntawm tus kab tej zaum yuav muaj ib tsos kob txawv nyob ntawm seb cov ib puag ncig. Nws yog hom twg los ntawm reddish-xim av mus tsaus xim av nyob rau hauv cov xim. Nqua thiab lub plab mog ho sib zog. Lawv txheej cover yog yellowish-xim av plaub mos mos. Kab chitinous plhaub muaj ib tug ci iab nto.

Phaw twj kum kab teej tug mus rau cov chav kawm ntawv ntawm cov kab, muaj piv rau lwm cov mej zeej ntawm lub chav kawm ntawv tus qauv. Povtseg thiab lub cev xwb muaj ob peb theem - feem. Peb officers ntawm ob txhais ceg npaj rau taug kev, muaj nyob rau hauv lub hauv siab kab. Lawv muaj xws li ntawm tsib feem. Nyob rau lub nqua es loj deb ntawm txhua lwm yam. Qhov no tsim lub tswv yim hais tias tus kab dav sib nrug nws ob txhais ceg. Cov kab yog active thaum tsaus ntuj zuag. Kab yoov txig. Tsis siv ceev xwmphem, nws muaj peev xwm los npog ib tug deb ntawm tsib caug kilometers.

Cov tsab feature ntawm cov tshuaj tua kab yog ua raws li nws nadkrylkami semiconductor zog. Lawv yuav tshwm sim thaum raug ultraviolet rays. Phaw twj kum kab, uas nws hwj chim tseem tsis paub meej txog rau thaum xaus, raws li ib tug siv rau tsob nroj kua txiv los sis liquefy zaub mov. Lwm yam kws txawj yog ntawm lub tswv yim hais tias muaj Afaq. Hais tias yog, tej zaum ntseeg tau hais tias cov tshuaj tua kab tsis noj tag nrho. Thaum lub sij hawm nws lub neej, nws yuav siv cov as-ham uas sau kab phaw twj kum kab. Pom ntawm cov thawj version yog tus qauv ntawm lub qhov ncauj ntawm cov tshuaj tua kab. Nws zom chaw yog underdeveloped thiab tsis muaj hniav zom zaub mov. Nyob rau tib lub sij hawm lub sab puab tsaig them nrog tuab txhuam ntawm ntev plaub mos mos uas yuav tsum pab mus rau tus sau los ntawm kua ntoo. Pom ntawm ib tug thib ob lub tswv yim yog ib tug mob ntawm lub digestive kabmob. Lawv yuav luag tag atrophied.

Phaw twj kum kab nqus pa atmospheric huab cua, ntog nyob rau hauv nws ua pa system los ntawm lub spiracles, uas muaj nyob rau ntawm lub plab mog thiab hauv siab. Lub circulatory system ntawm cov tshuaj tua kab yog tsis tau kaw. Lub plawv kab yog rov qab. Nws yog ib tug raj, muab faib mus rau hauv kev lag muaj valve qhib. Excretory kabmob kab hais roj cev thiab Malpighian tubules. Nyob rau hauv cov kev tswj ntawm lub ntsiab kev ntawm hauj lwm ntawm lub tag nrho lub cev ntawm cov tshuaj tua kab muab kev koom tes rau hauv lub central lub paj hlwb. Zoo-tsim kev txiav txim zoo hauv nruab nrog cev, ua ke nrog lub horn, pab mus rau kev vam meej orientation rau hauv qhov chaw kab. Cov kab no muaj zog heev. Nws yog tau tsiv mus nyob rau load, tus luj ntawm uas tshaj nws tus kheej yuag nyob rau hauv ib txhiab lub sij hawm.

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