67 PENGUJIAN KESETIAAN SEMUT:ANTARA TEMAN DAN MAKANAN (ANT’S LOYALTY TEST: BETWEEN MATE AND MEAT) Nadya Khairussyifa 1 , Zahra Annisa Fitri 1 , Dra. Ipa Ratna M.Pd 2 1 Siswa SMA Negeri 1 Medan, Provinsi Sumatera Barat, Indonesia 2 Guru SMA Negeri 1 Medan, Provinsi Sumatera Barat, Indonesia Email : nadyasyifa2003@gmail.com, zahraannisafitri@gmail.com ABSTRACT Ants are known as hard-working and loyal animal. This common assumption comes by seeing ants’ life as colony which find food together. The purpose of this study was to find out the level of ants’ loyalty—or caring—to the others which in difficult (being trapped), while there were some food beside the trap in the same time.Direct observation of behavior of 30 ants (Camponotus pennsylvanicus) in SMA Negeri 1 Medan on February 24, 2019, at 1.30 – 4 PM. There were two independent variables—number of trapped ants and kind of food—and a control variable, which is the duration of research time (seven minutes).The more ants was trapped, the more ants tried to help, in spite of food around them. This is caused by increasing pheromones emitted by trapped ants.Ants are loyal animal. Keywords: Ants, loyal, friends, food. ABSTRAK Semut dikenal sebagai hewan yang pekerja keras dan setia kawan. Asumsi umum ini lahir dari cara hidup semut yang berkoloni dan mencari makan bersama-sama. Penelitian ini bertujuan untuk mengetahui tingkat kesetiaan—atau kepedulian—semut kepada temannya yang kesulitan (terperangkap) jika dihadapkan pula pada sejumlah makanan di sebelah perangkap tersebut.Observasi langsung terhadap tingkah laku 30 semut ( Camponotus pennsylvanicus) di lingkungan SMA Negeri 1 Medan pada 24 Februari 2019 pukul 13.30 s.d. 16.00 WIB. Penelitian memuat dua variabel bebas–jumlah semut terperangkap dan jenis makanan—serta satu variabel kontrol, yakni lama waktu penelitian (tujuh menit).Semakin banyak semut terperangkap, semakin banyak semut yang mencoba menolong, meskipun