Zosangalatsa za akangaude

111 malingaliro
6 min. za kuwerenga
Tidapeza 28 mfundo zosangalatsa za akangaude

Chimodzi mwa zolengedwa zoyamba kuonekera pamtunda

Makolo oyambirira a zitsanzo zamakono adawonekera padziko lapansi zaka 400 miliyoni zapitazo. Anachokera ku zamoyo zam'madzi za chelicerae subtype. Makolo akale kwambiri a akangaude amakono omwe amapezeka m'mbiri yakale ndi Attercopus fimbriunguis, yomwe ili ndi zaka 380 miliyoni.

1

Akangaude ndi arthropods.

Izi ndi zopanda msana zomwe thupi lake lagawidwa m'magulu ndipo lili ndi mafupa akunja. Akangaude amatchulidwa kuti ndi arachnids, omwe ali ndi mitundu pafupifupi 112 ya nyama.
2

Mitundu yoposa 49800 ya akangaude yafotokozedwa, yogawidwa m'mabanja 129.

Gawoli silinakhazikitsidwebe kwathunthu, popeza magulu opitilira 1900 a nyama izi adawonekera kuyambira 20.
3

Thupi la akangaude lili ndi magawo awiri (ma tagmas).

Ichi ndi cephalothorax ndi mimba, yolumikizidwa ndi ndime. Kumbali yakutsogolo ya cephalothorax pali chelicerae, kumbuyo kwawo pali pedipalps. Amatsatiridwa ndi mapazi oyenda. Pamimba pamimba pali ziwalo monga mtima, matumbo, zoberekera, thonje glands ndi spiracles.
4

Kukula kwa akangaude kumasiyanasiyana malinga ndi mitundu.

Mitundu yaying'ono kwambiri Pato Digua mbadwa ku Colombia, amene kutalika kwa thupi si upambana 0,37 mm. Akangaude akuluakulu ndi ma tarantulas, omwe amatha kutalika kwa 90 mm ndi kutalika kwa mwendo mpaka 25 cm.
5

Miyendo yonse imakula kuchokera ku cephalothorax. Akangaude ali ndi mapeya asanu.

Awa ndi ma pedipalps ndi miyendo inayi yoyenda.
6

Ngati pamimba pa kangaude pali zotuluka, izi ndi zotupa za silika.

Amapota ulusi wa silika, umene akangaude amapanga ulusi wawo. Nthawi zambiri, akangaude amakhala ndi zotupa zisanu ndi chimodzi za silika, koma pali mitundu yomwe ili ndi imodzi, ziwiri, zinayi kapena zisanu ndi zitatu. Ukonde wa silika ukhoza kugwiritsidwa ntchito osati kupanga ukonde, komanso kusamutsa umuna, kupanga zikwa za mazira, kukulunga nyama, komanso kupanga ma baluni/maparachuti kuti athe kuwuluka.
7

Mwendo uliwonse wa perineal uli ndi zigawo zisanu ndi ziwiri (kuyambira m'thupi, izi ndi: coxa, trochanter, femur, patella, tibia, metatarsus ndi tarsus).

Mwendo umathera mu zikhadabo, chiwerengero ndi kutalika kwake zomwe zimasiyana malinga ndi mtundu wa kangaude. Akangaude omwe amapota ukonde amakhala ndi zikhadabo zitatu, pomwe akangaude omwe amasaka mwachangu amakhala ndi ziwiri.
8

Chelicerae imakhala ndi magawo awiri kapena atatu.

Amatha ndi mano, omwe kangaude amang'amba thupi la wovulalayo komanso amadziteteza. Mu zamoyo zambiri amathera ndi kukamwa kwa poizoni glands.
9

Ma pedipalps amakhala ndi magawo asanu ndi limodzi.

Iwo alibe gawo la metatarsal. Kwa amuna, gawo lomaliza (tarsus) limagwiritsidwa ntchito kubereka, ndipo choyamba (coxa) mwa amuna ndi akazi amasinthidwa kuti zikhale zosavuta kuti kangaude azidya.
10

Nthawi zambiri amakhala ndi maso asanu ndi atatu okhala ndi magalasi. Izi zimawasiyanitsa ndi tizilombo tomwe tili ndi maso apawiri. Masomphenya a akangaude ambiri sanakulidwe bwino.

Komabe, iyi si lamulo, chifukwa pali mabanja a akangaude omwe ali ndi zisanu ndi chimodzi (Hapgynae), zinayi (Tetablemma) kapena ziwiri (Caponiidae). Palinso mitundu ya akangaude omwe alibe maso konse. Maso aŵiriawiri amakula kwambiri kuposa ena ndipo amagwira ntchito zosiyanasiyana, mwachitsanzo maso oyamba a akangaude amatha kuona mitundu.
11

Popeza akangaude alibe tinyanga, miyendo yawo inatenga udindo wawo.

Ziphuphu zomwe zimawaphimba zimakhala ndi mphamvu yojambula phokoso, fungo, kugwedezeka ndi kayendedwe ka mpweya.
12

Akangaude ena amagwiritsa ntchito kugwedezeka kwa chilengedwe kuti apeze nyama.

Izi ndizodziwika makamaka pakati pa akangaude omwe amapota ukonde. Zamoyo zina zimathanso kupeza nyama zomwe zimadya pozindikira kusintha kwa mpweya.
13

Maso a akangaude a Deinopis ali ndi katundu wodabwitsa malinga ndi miyezo ya akangaude. Pakali pano, mitundu 51 ya akangaude afotokozedwa.

Maso awo apakati amakula ndipo amaloza kutsogolo. Zokhala ndi magalasi apamwamba kwambiri, zimaphimba malo akuluakulu kwambiri ndipo zimasonkhanitsa kuwala kochuluka kuposa maso a akadzidzi kapena amphaka. Kutha kumeneku kumachitika chifukwa cha kusakhalapo kwa nembanemba yowunikira. Diso silimatetezedwa bwino ndipo limawonongeka kwambiri m'mawa uliwonse, koma mphamvu zake zobwezeretsa zimakhala zapamwamba kwambiri kotero kuti zimachira msanga.

Akangaudewa alibenso makutu ndipo amagwiritsa ntchito tsitsi la miyendo yawo "kumvera" nyama. Choncho, amatha kuzindikira phokoso mkati mwa mtunda wa mamita awiri.

14

Mayendedwe awo ozungulira ndi otseguka.

Izi zikutanthauza kuti alibe mitsempha, koma hemolymph (yomwe imagwira ntchito ngati magazi) imaponyedwa kudzera m'mitsempha kulowa m'mitsempha ya thupi (hemoceles) yozungulira ziwalo zamkati. Kumeneko, mpweya ndi zakudya zimasinthidwa pakati pa hemolymph ndi chiwalo.
15

Akangaude amapumira m'mapapo kapena pamphepo zamphepo.

Mapapo a tracheae adasinthika kuchokera ku miyendo ya arachnids yam'madzi. Ziphuphu nazonso zimakhala zotupa m'makoma a matupi a akangaude. Amadzazidwa ndi hemolymph, yomwe imagwiritsidwa ntchito kunyamula mpweya ndipo imagwira ntchito yoteteza thupi.
16

Akangaude ndi adani.

Ambiri amadya nyama yokha, ngakhale pali mitundu (Bagheera kiplingi) yomwe zakudya zake zimakhala ndi 90% zosakaniza za zomera. Ana amtundu wina wa akangaude amadya timadzi tokoma ta zomera. Palinso akangaude omwe amadya nyama zomwe zafa.
17

Pafupifupi akangaude onse ndi oopsa.

Ngakhale kuti alipo ochuluka kwambiri, ndi mitundu yochepa chabe imene imaika pangozi anthu. Palinso akangaude omwe alibe zilonda zamtundu uliwonse, kuphatikizapo akangaude a m'banjamo Uloborides.
18

Ntchito ikuchitika yogwiritsa ntchito utsi wa akangaude ena kupanga mankhwala ophera tizilombo.

Poizoni woteroyo amatha kuteteza mbewu ku tizilombo towononga popanda kuwononga chilengedwe.
19

Kugaya chakudya kumachitika kunja ndi mkati. Amadya zakudya zamadzimadzi zokha.

Choyamba, timadziti ta m'mimba timabadwira m'thupi la nyamayo, yomwe imasungunula minyewa ya nyamayo, ndipo gawo lotsatira la kugaya limachitika kangaude atadya minyewa iyi m'matumbo.
20

Pofuna kuchepetsa kusowa kwa mapuloteni, akangaude amadya ukonde umene amalukira.

Chifukwa cha izi, amatha kuluka yatsopano, yatsopano popanda kusowa kusaka, pamene ukonde wakale sulinso woyenera kutero. Chitsanzo chabwino kwambiri chobwezeretsanso zinyalala pakati pa nyama. Njira yofananayi imapezeka mu shrimp, yomwe imadya chipolopolo chawo panthawi ya molting.
21

Akangaude sangathe kuluma nyama zawo.

Ambiri aiwo ali ndi chida chonga udzu m'kamwa mwawo chomwe chimawalola kuti amwe minofu yanyama yosungunuka.
22

Dongosolo lotulutsa akangaude limapangidwa ndi tiziwalo timene timatulutsa timadzi ta leal ndi ma tubules a Malpighian.

Amagwira ma metabolites owopsa kuchokera ku hemolymph ndikuwatumiza ku cloaca, komwe amatuluka kudzera mu anus.
23

Akangaude ambiri amaberekana mwa kugonana. Umuna sulowetsedwa m'thupi la mkazi kudzera kumaliseche, koma amasungidwa m'mitsuko yapadera yomwe ili pa pedipalps.

Ziwiya zimenezi zikadzadza ndi umuna m’pamene mwamuna amapita kukafunafuna bwenzi. Zikakumana, zimaloŵa m’maliseche a akazi, otchedwa epiginum, mmene ubwamuna umachitikira. Izi zidawonedwa mmbuyo mu 1678 ndi Martin Lister, dokotala wachingelezi komanso katswiri wa zachilengedwe.
24

Akangaude aakazi amatha kuikira mazira 3000.

Nthawi zambiri amasungidwa mu zikwa za silika zomwe zimakhala ndi chinyezi choyenera. Mphutsi za akangaude zimakhala ndi metamorphosis zidakali m'makoko ndikuzisiya zikafika pokhwima thupi.
25

Amuna amtundu wina wa akangaude ayamba luso lovina mochititsa chidwi kwambiri.

Mbali imeneyi ndi khalidwe la akangaude odumpha, omwe ali ndi masomphenya abwino kwambiri. Ngati kuvina kukopa mkazi, umuna umachitika, apo ayi, mwamuna ayenera kuyang'ana bwenzi lina, mosasamala kanthu za kayendedwe ka mphaka.
26

Akangaude ambiri amadya anthu okhudzana ndi kubalana.

Nthawi zambiri, mwamuna amavutitsidwa ndi yaikazi, nthawi zambiri pogonana kapena pambuyo pake. Milandu yomwe mwamuna amadya yaikazi ndizosowa kwambiri. Pali mitundu yomwe mpaka ⅔ mwa milandu yaimuna imadyedwa ndi yaikazi. Kenako, ntchito za akangaude amadzi zimasinthidwa (Argyronethia m'madzi), kumene amuna nthawi zambiri amadya zazikazi zing’onozing’ono ndipo zimatengera zazikazi zazikulu. Mu akangaude Allocosa brasiliensis Amuna amadya zazikazi zazikulu, zomwe mphamvu zawo zoberekera sizilinso bwino ngati za achichepere.
27

Kudya anthu kumachitikanso ndi akangaude omwe angobadwa kumene.

Iwo, nawonso, amachotsa achibale ofooka kwambiri, motero amapeza mwayi kuposa ena ndikudzipatsa mwayi wofika pauchikulire.
28

Akangaude achichepere mwachilengedwe amakhala ankhanza kwambiri kuposa akuluakulu, ndipo kuchokera pakukulitsa izi ndizomveka.

Kangaude amene amadya zakudya zambiri amakula akakula. Choncho, tikhoza kuganiza kuti kangaude wamkulu yemwe timakumana naye (pokhudzana ndi oimira mitundu yake), ndizovuta kwambiri.

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