Kashin dadashinsu - a muƙamuƙi kwari?

Kashin dadashinsu - a maxilla arthropod. Wannan kunshi da mouthparts wata biyu daga m abubuwa. Mafi yawan kwari, kazalika a millipedes da crustaceans kashin dadashinsu wanzu don nika abinci. Duk da haka, a cikin zaman jama'a kwari, akwai wani alama na wannan kashi - gina yi sheƙarsu.

asalin

Kashin dadashinsu - yana da guda a matsayin mandibles. Yana da wani ƙwarai shugaban segments cewa a lokacin juyin halitta na da muhimmanci modified. Akwai wani zato cewa shi ne sāke koksopodity da endite. Da zarar shi ne suka sanye take da tsoho crustaceans.

Mandibles ne m rufi segments na sclera, a kan abin da goge da daban-daban Tine. Da alama cewa su ne bayan da babba lebe.

All wakilan da entognatha ƙunshi kashin dadashinsu tsarin. Suna a haɗe kawai a daya batu da kai. Boca su baka dogara Fused ga ƙananan lebe (a gefe na shi). Haka kuma, da Aljihuna suna kafa. A gare su, kuma sanya muƙamuƙi: duka biyu ƙananan kuma babba. An saboda wannan alama, dukan aji aka kira "entognatha".

A winged kwari da kuma schetinohvostok, baya ga wannan gefe na da sanarwa akan abinda batu, akwai daya more. Saboda wannan suna da wata damar a yi iko da kuma rufe shayarwa motsi mandibles.

Duk da kwari da suke da mandibles, daga wuraren sanarwa akan abinda tare da shugaban tafi agara. Wajibi ne ga abin da aka makala na tsokoki da sarrafa wadannan mandibles.

aikin siffofin

Kashin dadashinsu kwari iya bambanta dangane da irin mouthparts. Haka kuma, yana yiwuwa a ga mandibles ne quite bambancin a aiki, da kuma siffar ko size.

Saboda haka, Coleoptera, Hymenoptera da Orthoptera sosai manyan mandibles. Bayan duk, su ne dole domin murkushe, hawaye kuma rike abinci.

A gardama, misali, da irin lasawa mouthparts. Saboda haka mandibles su kawai rage. A ƙudan zuma halin da lasawa-wadda take cin embodiment mouthparts. Haka kuma, su mandibles, ko akwai, amma ƙwarai rage, haka ma, sun yi hasãrar jaggedness.

Zhukov

Babbar mandibles daga Coleoptera, don haka a stag irin ƙwaro kashin dadashinsu - wani sananne Kakakin cewa kara da mafi branched. Mun irin ƙwaro woodcutter wadannan wuce yarda da karfi jaws. A fannoni da dama, siffar da kuma ci gaban kashin dadashinsu dogara a kan irin abinci specialization a wani musamman kwaro.

A ƙasa beetles, misali, da babba muƙamuƙi dogon. Tare da su taimako, za ka iya sauki don samun dama daga cikin katantanwa harsashi.

Bees, tururuwa da wasps

Ga kashin dadashinsu Hymenoptera - shi zhvatelnye mandibles, wanda yayi kama da m irin su. Su yi amfani da su zuwa:

• Kashe ganima.
• Digging burrows.
• yankan da shuke-shuke.
• Create a soket.
• Riƙe ta abinci.

A wannan yanayin, da ƙananan jaws da lasawa irin da kuma tsara don tattara Nectar.

A Diptera da Lepidoptera

A Diptera mandibles muhimmanci modified. Saboda haka, a wasu sauro da kwari wanda tsotse jini, mandibles ne stilettos. Tare da su taimako, kwari hudawa fata. Amma housefly da kuma gaba daya rasa ta babba muƙamuƙi. Bayan ta mouthparts bukatar kawai don ci ruwa abinci.

All caterpillars na Lepidoptera ne mandibles, wanda suna da wadda take cin irin. Duk da haka, kawai toothed asu riƙe su a cikin adulthood. Mutane da yawa malam mandibles rasa. Yana jũya a cikin wani karamin tsotsa proboscis zuwa sha da dadi Nectar.

Kashin dadashinsu - a muƙamuƙi daga kwari, wanda aka located a saman. Duk wadannan mandibles ne daban-daban, dangane da makõma.