Carnivorous dabbobi - villains ko da mãma

An sani cewa Dabbobi rarrabe aji na dabbobi masu shayarwa Carnivorous dabbobi, da suka hada da rayayyun kwayoyin halitta da cewa ciyar a kan nama. Jikinsu aka saba da kama live ganima, ta kashe da kuma narkewa. Duk da haka, shi ne kuma gaskiya ne cewa ba kawai dabbobi masu shayarwa za a iya halin da predatory dabbobi. Ci nama, da kuma dabbobi masu rarrafe kamar crocodiles, macizai. Akwai kifi da yara, yana da m shark, Pike, perch, catfish. Akwai tsuntsaye cewa kama ganima, kashe shi da kuma ci.

Duk na sama kwayoyin ne da yara, da kuma a cikin ƙasa a yalwace. Akwai kawai iri uku abinci, kuma daidai da su da dabbobi kasu kashi dabbobi masu cin nama, herbivores da omnivores. Ba shi da wuya a tsammani cewa na farko da abinci a kan nama, na biyu - abinci shuka, da kuma na uku kuma duk daidai saba da za a iya amfani da abinci ko duka biyu.

Idan muka yi la'akari da dabbobi masu shayarwa, da oda Carnivora dabbobi ciki har da tudu da ruwa tãlikai. A karshen hada da wadanda mazaunan tekuna, kamar hatimi, hatimi, Jawo hatimi. Nazarin sasannin dabbobi, da yara suna zuwa kashi suborders feliformia, caniformia. A karshen hada da iyali Cunha, Bear, da kuma sauran Canidae. Hada wadannan kungiyoyin zo daga wurin wasu siffofin na ilimin tiyata da Physiology.

A general, da dabbobi, da yara ne halin da wasu siffofin na jiki tsarin cewa yana taimaka musu wajen farautar, kama da kashe ganima. Wadannan sun hada da: reshe tare da 4 ko 5th yatsunsu da karfi fika, kananan taso kwanyar, wata-ɓullo da gabobin da gannanku, wari da kuma ji, ke tsaye bakin ramin, bambancin dentition. da yara hakora hada incisors for tearing kashe guda na abinci ya ci gaba da hakora da kuma kisan da aka azabtar, premolars da molars ga nika abinci. Carnivorous dabbobi suna da wani m jiki maida shi musamman domin tsalle, yanã tafiya da gaggãwa, jefa. motsi da su kudi na dauki kullum high.

A tsarin narkewa kamar irin halittun tsara don nike nama abinci: high acidity na ciki ruwan 'ya'yan itace, da kuma ciki ne na ɗaki da expandable. Amma da hanjinsu mun gwada da kananan size, da cecum kananan ko ba ya nan gaba ɗaya.

Me ne waɗannan dabbobi

A cikin sharuddan ilmin halitta, sun yi wani Muhimmin aikin tsari na yawan jinsunan halittu masu rai cewa ya zama abincinku. Yara ma halakar da haihuwa, da marasa lafiya, marasa amfani kwayoyin, wanda shi ne mafi muhimmanci factor zabin yanayi.

Afirka - a kasar da yara

A nahiyar Afirka, wanda aka adana mai kauri jeji, saboda hadaddun yanayi na rayuwa ne daya daga cikin mafi "arziki" da yara. Akwai zaune da yawa daga cikin wadannan iri felines da canines, a matsayin damisa (damisa), hyenas, zakuna, cheetahs, wurin zaman diloli, Afirka Wild Kare, Fenech. Amma jerin "da yara na Afirka" ba m. Babbar m dabbobi masu rarrafe - crocodiles - da kuma gigantic macizai masu zafin dafi kuma zauna a can. Daga cikin karshen, cobras, macizai da mambas. Nonpoisonous dabbobi masu rarrafe - pythons - kuma ci nama, ko kashe da wanda aka azabtar a wani daban-daban hanya.

A duniya akwai fiye da 250 jinsunan carnivorous dabbobi masu shayarwa. Oddly isa, kuma suna bukatar kariya. A sakamakon ayyukan mutane, da yawa daga cikinsu suna barazana tare da nau'i nau'i da kuma aka jera a matsayin miyagun.