Dabarar dabba - ma'ana da misalai

Mawallafi: Peter Berry
Ranar Halitta: 18 Yuli 2021
Sabuntawa: 14 Nuwamba 2024
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Wasu dabbobin suna da launi mai tsananin zafi wanda cikin sauki yake daukar hankali. Wasu har ma suna da cikakkun bayanai waɗanda suka haɗa da kowane nau'in siffofi na geometric wanda ya cancanci zanen Cubist. Sakamakon haka shine kyawawan malam buɗe ido, ƙwaƙƙwaran launin ƙarfe ko kwaɗi masu ƙyalli.

Launin waɗannan dabbobin suna da ban sha’awa sosai kuma suna bayyana matsayin mai ɗauke da shi dangane da masu farautarsu. A bayyane yake, zamu iya cewa ba su da fa'idar rayuwa mai yawa, amma a zahiri launinsu yana zama kariya. Kuna so ku san dalili? A cikin wannan labarin ta PeritoAnimal, muna magana ne game da aposematism na dabbobi, ma'anar sa da mafi kyawun misalai na yanayi.


ma'anar aposematism

Aposmatism wata dabara ce da dabba ke yin ta kore masu farautar ku ba tare da kokari ba. yana yi ne domin mallaka alamu na launi gargadi mai sauƙin ganewa na guba, ɗanɗano mara daɗi, ko tsarin tsaro.

A sakamakon haka, mai farautar yana koyon gane alamun launi kuma yana danganta su da ganima mai haɗari ko mara daɗi. Saboda haka, ya yanke shawarar cewa ya fi kyau a je neman abinci a wani wuri.

Aposematism na dabbobi shine hanyar sadarwa mai tasiri sosai. A cikin labarin ExpertAnimal na gaba, zaku iya koyo game da sauran nau'ikan sadarwa tsakanin dabbobi.

Aposmatism a cikin mulkin dabbobi da juyin halitta

Neman afuwa na dabbobi shine sakamakon juyin halittar jinsuna wanda ya mallake ta da masu cin ta. Gabaɗaya magana, ganima da ke da alamu waɗanda ake iya ganewa a sauƙaƙe a matsayin masu haɗari suna iya rayuwa. A sakamakon haka, wadannan dabbobin suna da zuriya da yawa kuma suna mika kwayoyin halittar su zuwa tsara mai zuwa, wanda zai gaji launin su.


Hakanan, mafarautan da ba su san waɗannan alamu suna jin daɗi ko ma su mutu ba. Don haka, waɗanda suka san yadda za su gane abin dafi ko guba mai haɗari su ne waɗanda suka tsira kuma za su iya barin ƙarin zuriya. Ta wannan hanyar, masu neman afuwa da farauta ci gaba tare kuma "zaɓi" kansu ta hanyar juyin halitta.

Aposematism da kwaikwayon dabbobi

Lokacin da nau'o'in dabbobi da yawa suka nuna irin wannan tsarin na launuka na aposematic da kansu, ana cewa an yi su a mimicry tsari. Idan duka suna da tsarin tsaro, kwaikwayon Müllerian ne; amma idan ɗayansu zai iya kare kansa, muna magana ne game da kwaikwayon Batesian. A halin da ya gabata, mun ce nau'in kwafi ko “gurbata” yana da fafutukar karya.

Aposematism a cikin ladybugs

Ladybugs sune Coleoptera a cikin dangin Coccinellidae. Sau da yawa suna da haske ja ko rawaya a launi. Waɗannan launuka suna nuni ga dandanonsa mara daɗi. Don haka, mafarautan da ke gwada su sun yanke shawarar ba za su sake farautar dabba mai kamanni iri ɗaya ba.


Godiya ga aposematism na dabbobi, ana iya ɗaukar kwarkwata a matsayin wasu kyawawan kwari a duniya. Mafi sani shine Coccinella septempunctata.

Aposematism a cikin masarauta da mataimakan malam buɗe ido

Maimartaba sarki (Danaus plexippus) yana da kyakkyawan launin ruwan lemu, baki da fari. Wannan kwari yana ciyar da tsirrai iri iri Asclepias wadanda ke da bangaren guba. Koyaya, maimakon abin ya shafa, malam buɗe ido yana tara waɗannan guba a jikin ku azaman hanyar kariya a kan maharansa.

Maimartaba mataimakin (Tarihin Limenitis) kuma mai guba ne kuma kusan iri ɗaya ne a launi ga malam buɗe ido. Godiya ga wannan, masu farautar kawai dole ne su gane tsarin launi kuma kowa yayi nasara.

Aposematism a cikin wasps

Ire -iren wasfa da yawa (taxa daban -daban a cikin tsarin Hymenoptera) suna da zoben rawaya da baƙi tare da ciki. Mafarautan ku suna fassara wannan canza launi azaman haɗari, don haka ba za su kuskura su ci su ba. Ba sa yin hakan ba tare da dalili ba, kamar yadda wasps suna da ƙarfi mai ƙarfi. Kyakkyawan misali shine kurar Turai (crabro wasp).

Aposematism a cikin mantis jatan lande

Mantis jatan lande (Gonodactylus smithii) yana zaune a kan tekun murjani na Australia. Itacen dabino ne mai kyan gani da launuka masu haske sosai. Yana da a dabba mai guba da kuma mai hatsarin gaske.

Saboda kaifi mai kaifi, yana bugun ganima da babban hanzari, ta yadda yana haifar da ramuka a cikin ruwa da iya kashe wasu dabbobin ba tare da an buge su kai tsaye ba.

Don ƙarin bayani, ƙila ku yi sha'awar wannan labarin game da dabbobi mafi haɗari a duniya.

Dabarar afuwa cikin salamanders

Salamanders (oda Urodelos) suna da guba na fata kuma sau da yawa wasu abubuwa masu guba waɗanda za a iya fesa su daga nesa. Da yawa daga cikinsu suna gargadin masu farautarsu godiya ga dabarar dabbobi. Kyakkyawan misali na wannan shine launuka rawaya da baki na salamander na kowa (salamand salamander).

Wani misali shine Salamandra Terdigitata (Salamandrin sp.), wanda ke da sashin kwarjini na jiki da aka rina ja, baki da fari. Ja yana mai da hankali a baya, wutsiya da gabobi. Lokacin damuwa, suna ɗaga kai da ƙafafunsu yayin lanƙwasa wutsiyarsu zuwa kan su. Don haka, suna nuna launin ja kuma suna fitar da farauta.

Aposematism a cikin Opossums

Mephitidae (dangin Mephitidae) dabbobi ne masu launin fari da fari. Waɗannan launuka ba sa taimakawa yin kamannin kansu a cikin tsirran halittu inda skunks ke rayuwa, amma alamu ne na ɓoyayyen kariya: ƙanshi mara daɗi da kumburin dubura ya ɓoye. Wannan ɗaya ne daga cikin 'yan misalai na aposematism na dabbobi a cikin dabbobi masu shayarwa.

Ofaya daga cikin shahararrun abubuwan mallaka shine ciwon hanta, wanda aka sani da raƙuman igiyar ruwa.

Idan kuna son karanta ƙarin labarai makamantansu Dabarar dabba - ma'ana da misalai,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.