Mary Allen
Ecology kimiyya ne. Yana cikin ilimin halitta, kimiyyar rayuwa. Kalmar Helenanci "eco" tana nufin "gida" ko "gidan". Yana da game da zama tare da mutane da abubuwan su. Ecology game da yadda dabbobi da tsire-tsire suke rayuwa tare. Hakanan kowane mai rai yana da mahimmanci ga sauran halittu, kuma suna canza yanayin da suke rayuwa a ciki.
Masanin ilimin halittu masanin kimiyya ne wanda ke nazarin rafi, misali. Daji, makiyaya, ko rafi ana kiransa yanayin muhalli: Kifi, ƙwari, kwari da sauran dabbobi suna rayuwa a cikin ruwan rafi. Akwai kuma tsire-tsire a wurin. Hakanan zaka iya ganin halittu a bakin tekun. Misali, masanin ilimin halittu yana son ya gano kifaye da kwari nawa ne, kuma ko kwari da yawa yana nufin kifaye da yawa suna raye saboda sun sami ƙarin abinci.
Lokacin da suka ji kalmar ilimin halitta, mutane da yawa suna tunanin muhalli ne kawai, wanda zai iya gurɓata. A gare su, kalmar tana nufin wani abu mai kama da kare muhalli. Yawancin lokaci kawai kuna cewa "eco". An ce "eco-detergent" ba shi da lahani ga muhalli. Wani lokaci ana kiran jam'iyyar kore "party party".