Zinyama: Zomwe Muyenera Kudziwa

Nyama ndi mtundu wina wa chamoyo. Zikadya, nyama zimatenga zinthu kuchokera ku zamoyo zina: ng'ombe, mwachitsanzo, imadya udzu. Pogaya chakudya, amayamwa chakudya ndikuchikonzekera kuti adye. Izi zimathandiza mphamvu mu chakudya kusandulika mphamvu kapena kutentha. Zomera, kumbali ina, zimapeza mphamvu kuchokera ku kuwala kwa dzuwa. Amangotenga zomangira kuchokera pansi kudzera mumizu yawo.

Komanso, nyama zimafunika mpweya kuti zipume. Nsomba zimapeza mpweya wawo m’madzi ndi nyama zina kuchokera mumlengalenga. Nthawi zambiri, nyama zimatha kuyenda pansi pa mphamvu zawo ndikuzindikira dziko lawo ndi maso, makutu, ndi ziwalo zina zakumva. Nyama zina zimakhala ndi selo limodzi lokha, zina zimakhala ndi maselo ambiri.

Malinga ndi sayansi, munthu alinso nyama. Koma kawirikawiri, munthu akamalankhula za "nyama" nthawi zambiri amatanthauza "nyama kupatula anthu".

Kodi mungagawane bwanji nyama?

Pali njira zingapo zosavuta zogawira nyama, mwachitsanzo, malinga ndi malo awo: nyama za m'nkhalango, nyama za m'nyanja, ndi zina zotero. Kugawikana kwa nyama zakutchire ndi zoweta ndizotheka komanso zothandiza. Komabe, magulu awa nthawi zambiri samveka bwino. Mbawala, mwachitsanzo, ndi nyama ya m’nkhalango komanso ya m’tchire. Nkhono zimatha kukhala m'nyanja, m'nyanja, kapena pamtunda.

Gulu loyamba la sayansi limachokera kwa Carl von Linné. Iye anakhalako zaka 300 zapitazo. Anapatsa zomera, mitundu ya nyama, ndi miyala yamtengo wapatali mayina achilatini, amene zolengedwazo zinatha kudziŵika bwino. Mayinawa adapereka kale chizindikiro cha ubale. Dongosolo lake lakonzedwanso pakapita nthawi.

Sayansi masiku ano imakamba za nyama, zomera, mtundu wa mafangasi, ndi zina zambiri. Ufumu wa nyama umatchedwanso kuti nyama. Ikhoza kugawidwa mu Vertebrate phylum, Mollusk phylum ndi Arthropod phylum, ndi ena ochepa. Tikudziwa bwino zamoyo zam'mimba. Timazigawa m'magulu a nyama zoyamwitsa, mbalame, zamoyo zam'madzi, zokwawa, ndi nsomba.