The purpose of this research is to find out the feasibility of the biology magazine as the teaching media in sub material interaction in ecosystem for sophomore in high school. This study used research and development (R&D) with the Plomp model. Feasibility test on the biology magazine which display the result of phase one validated by five validator consist of three lecturer and two sophomore teachers in class X from SMA Negeri 1 Sambas and SMA Negeri 1 Subah were selected by purposive. Validation assessment uses a Likert scale and data analysis uses the formula Lawshe (1975). The aspects assessed from the Biology magazine are aspects of language, content, and construction with 22 assessment criteria. The result of the biology magazine as teaching media acquire score 0,99 in CVI (Content Validity Index) which declared as a valid teaching material in sub material interaction in ecosystem for sophomore in highchool.

The purpose of this study was to determine the profile of Tanjungpura University Biology Education students' creative thinking skills in developing an ideas for waste management into products. This research is a descriptive qualitative research type. The data in this study are in the form of response data in the form of a questionnaire. The results showed that the creative thinking ability in the fluency aspect was 58.48% in the sufficient category, the flexibility aspect was 63.01% in the creative category, the originality aspect was 61.48% in the creative category, and the elaboration aspect was 66.40% in the creative category. Based on the percentage, it was found that the aspect with the highest value was the elaboration aspect and the lowest value was in the fluency aspect.

Kebun Raya Sambas merupakan kebun raya yang ada di Kalimantan Barat. Salah satu tumbuhan endemik Kalimantan dengan status konservasi Least Concern (LC) yang dikoleksi di Kebun Raya Sambas adalah durian kura-kura (Durio testudinarius Becc.). Informasi mengenai Durio testudinarius Becc. di Indonesia masih terbatas dengan masih sedikitnya penelitian mengenai spesies ini karena sulit mendapatkan keberadaannya seiring lenyapnya hutan primer di Kalimantan. Penelitian dilakukan pada bulan Agustus 2021 dengan tujuan mengetahui pola distribusi Durio testudinarius Becc di Kebun Raya Sambas. Data didapatkan dari 6 ha area sampling yang dibagi menjadi 6 jalur berukuran 20m x 500 m. Pola distribusi spesies dianalisis dengan mencari indeks morisita (Id).  Ditemukan 22 individu Durio testudinarius Becc dalam 4 jalur penelitian. Hasil penelitian menunjukkan dalam 4 jalur penelitian pola distribusi dari Durio testudinarius Becc adalah mengelompok dengan nilai Ip>0. Selain itu, hasil pengukuran faktor lingkungan di sekitar Durio testudinarius Becc. yaitu suhu udara berada pada kisaran 28-32°C, kelembaban udara 72-83%, suhu tanah 25-27 °C, pH tanah 6-6.5, dan intensitas cahaya 777-7493 lux.