Chokutira cha mankhwala chili ndi njira yotentha yawiri yozizira yozizira komanso kutentha, ndipo kutentha kumakhala kothandiza. Ndi bungwe lofufuzira zasayansi, makoleji, mayunivesite, magawo opanga kapena malo osungirako ma geolorement mu biology, manezi, mankhwala, ufulu, ulimi komanso wolowerera nyama. Zida zofunika kwambiri zimagwiritsidwa ntchito kwambiri pamoto wochepa komanso mayeso osasinthika, mayeso achikhalidwe, ndi zina zambiri .