Mun samu 17 abubuwa masu ban sha'awa game da kwari
Ƙungiyar dabbobi mafi girma
ire-iren kwari suna da yawa. Akwai wadanda aka nuna girmansu a cikin mitoci, da kuma wadanda tsawon jikinsu ya fi na karnuka ko kuliyoyi. Domin suna ɗaya daga cikin dabbobi na farko da suka wanzu, sun daidaita don rayuwa a kusan kowane yanayi. Miliyoyin shekaru na juyin halitta sun raba su sosai har suna raba wasu sifofi kaɗan kawai.
1
Invertebrates ƙwari an rarraba su azaman arthropods.
Su ne rukuni mafi girma na dabbobi a duniya kuma suna iya zama kusan kashi 90% na wannan masarauta. Ya zuwa yanzu an gano sama da nau'in miliyan guda, kuma har yanzu akwai sauran nau'ikan nau'ikan nau'ikan nau'ikan miliyan 5 zuwa 30 da ba a bayyana su ba.
2
Suna da fasalulluka gama-gari da yawa waɗanda ke sauƙaƙa gano su.
Jikin kowane kwaro ya ƙunshi sassa uku: kai, thorax da ciki. An lulluɓe jikinsu da sulke. Suna motsawa da ƙafafu guda biyu, suna da idanu masu haɗaka da eriya guda biyu.
3
Kasusuwan kwari mafi tsufa sun kai shekaru miliyan 400.
Mafi girman furanni na bambancin kwari ya faru a cikin Permian (shekaru 299-252 da suka wuce). Abin baƙin ciki shine, yawancin nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'in nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i)) sun ɓace a lokacin da Permian extinction, mafi girma da yawa da ke faruwa a duniya. Ba a san ainihin musabbabin bacewar ba, amma an san cewa ya shafe shekaru 60 zuwa 48. Dole ne ya kasance wani tsari na rashin tausayi.
4
Ƙwararrun da suka tsira daga ƙarshen ƙarshen Permian sun samo asali ne a lokacin Triassic (shekaru 252-201 da suka wuce).
A cikin Triassic ne duk tsarin rayuwa na kwari ya tashi. Iyalan kwari da suka wanzu a yau sun ci gaba da farko a lokacin Jurassic (201 - 145 shekaru miliyan da suka wuce). Bi da bi, wakilan jinsin na zamani kwari fara bayyana a lokacin da bacewar dinosaur shekaru 66 da suka wuce. Yawancin kwari daga wannan lokacin ana kiyaye su daidai a cikin amber.
5
Suna rayuwa a wurare daban-daban.
Ana iya samun kwari a cikin ruwa, a ƙasa da kuma cikin iska. Wasu suna rayuwa a cikin najasa, gawa ko itace.
6
Girman kwari sun bambanta sosai: daga ƙasa da 2 mm zuwa fiye da rabin mita.
Mai riƙe rikodin tare da girman 62,4 cm shine wakilin phasmids. Ana iya sha'awar wannan samfurin a gidan tarihin kasar Sin da ke Chengdu. Phasmids suna cikin manyan kwari a duniya. Sabanin haka, mafi ƙanƙanta kwaro ita ce macijin mazari. Dicopomorpha echmepterygians, matan da (kuma sun fi rabin girman maza) suna da girman 550 microns (0,55 mm).
7
Girman kwari masu rai yana kama da "daidai" a gare mu. Idan muka koma baya a cikin shekaru kimanin shekaru miliyan 285, za mu iya gigice.
A wancan lokacin, duniya tana da ƙwari ƙattai masu kama da mazari, waɗanda mafi girmansu Meganeurosis permian. Wannan kwarin yana da tsawon fuka-fukai na cm 71, tsawon jikinsa kuma ya kai cm 43. Za a iya sha'awar samfurin burbushin a gidan adana kayan tarihi na kwatankwacin dabbobi na Jami'ar Harvard.
8
Kwari suna shaka ta amfani da tracheas, wanda ake ba da iska ta spiracles.
Tracheas suna kumbura a bangon jikin kwari, wanda daga nan ne ya reshe zuwa tsarin bututun da ke cikin jiki. A ƙarshen waɗannan bututun akwai tracheoles masu cike da ruwa wanda ta hanyar musayar iskar gas ke faruwa.
9
Duk kwari suna da idanu masu yawa, amma wasu na iya samun ƙarin idanu masu sauƙi.
Za a iya samun matsakaicin 3 daga cikinsu, kuma waɗannan idanu ne, gabobin da ke iya gane tsananin haske, amma ba za su iya tsara hoto ba.
10
Tsarin jini na kwari yana buɗewa.
Wannan yana nufin cewa ba su da jijiyoyi, amma hemolymph (wanda ke aiki a matsayin jini) ana zubar da shi ta hanyar arteries zuwa cikin cavities (hemoceles) da ke kewaye da gabobin ciki. A can, ana musayar iskar gas da abubuwan gina jiki tsakanin hemolymph da gabobin.
11
Yawancin kwari suna haifuwa ta hanyar jima'i da kuma ta hanyar kwai.
Ana yin takin ciki ta hanyar amfani da al'aurar waje. Tsarin gabobin haihuwa na iya bambanta sosai tsakanin jinsuna. Matan da aka samu takin daga nan sai mace ta yi amfani da wani sashin jiki da ake kira ovipositor.
12
Hakanan akwai kwari ovoviviparous.
Misalan irin waɗannan kwari sune beetles Blaptica dubia da ƙuda Glossina palpalis (tsetse).
13
Wasu ƙwarin suna fuskantar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙwayoyin cuta wasu kuma suna samun cikakkiyar metamorphosis.
Idan ba a cika metamorphosis ba, ana rarrabe matakai uku na haɓakawa: kwai, tsutsa da imago (imago). Cikakken metamorphosis yana wucewa ta matakai huɗu: kwai, tsutsa, pupa da babba. Cikakken metamorphosis yana faruwa a cikin hymenoptera, kwari caddis, beetles, butterflies da kwari.
14
Wasu kwari sun dace da rayuwar kadaitaka, wasu kuma sun kafa manyan al'ummomi, galibi masu matsayi.
Kwayoyin dodanniya galibi suna zaman kaɗaici; beetles ba su da yawa. Kwarin da ke rayuwa a rukuni sun haɗa da ƙudan zuma, kudan zuma, tururuwa da tururuwa.
15
Babu wani daga cikin kwari da zai iya kashe mutum da cizonsa, amma wannan ba yana nufin cewa irin wannan cizon ba zai yi zafi sosai ba.
Mafi yawan kwari shine tururuwa Pogonomyrmex maricopa zaune a kudu maso yammacin Amurka da Mexico. Cizo goma sha biyu daga wannan tururuwa na iya kashe bera mai kilo biyu. Ba su da kisa ga mutane, amma cizon su yana haifar da ciwo mai tsanani har zuwa sa'o'i hudu.
16
Mafi yawan kwari sune beetles.
Ya zuwa yau, an kwatanta fiye da nau'in 400 40 na waɗannan kwari, don haka sun kasance kusan kashi 25% na duk kwari da 318% na dukan dabbobi. Ƙwayoyin farko sun bayyana a duniya tsakanin shekaru miliyan 299 zuwa 350 da suka wuce.
17
A zamanin yau (tun 1500), aƙalla nau'ikan kwari 66 sun bace.
Yawancin waɗannan nau'ikan da suka mutu sun rayu ne a tsibiran teku. Abubuwan da ke haifar da babbar barazana ga kwari sune fitilu na wucin gadi, magungunan kashe qwari, haɓaka birane da kuma shigar da nau'in nau'i na ɓarna.
Gaskiya mai ban sha'awaAbubuwa masu ban sha'awa game da tyrannosaurs
Na gabaGaskiya mai ban sha'awaAbubuwan ban sha'awa game da katantanwa