This research was conducted to produce biological science literacy questions based on the AKM framework on ecosystem material and interactions between components that are valid, reliable and practical. The research subjects were students in class XI IPA 2 at SMA YPI Tunas Bangsa Palembang. This research was conducted based on the Research and Development (R&D) method with the Djaali and Mulyono…
This study aims to determine the availability of natural feed for Tembakang fish (Helostoma temminckii Cuvier, 1829) in the floodplain swamps of the Lempuing River and the Tanjung Sari Conservation Area, Ogan Komering Ilir Regency, South Sumatra. Sampling was conducted at three (3) stations, and the stomach contents of the fish were analyzed using a descriptive quantitative method with morpholo…
This study aims to determine the effect of post-production storage time on the types and total number of contaminant bacteria in tofu at room temperature. The study was conducted using a descriptive method with samples of tofu produced conventionally and stored at room temperature for 1, 4, 7, and 10 hours. The results showed four types of contaminant bacteria, namely Escherichia coli, Enteroba…
This study aims to determine the effect of post-production storage time on the type and total number of contaminant bacteria in soy milk stored at room temperature. The method used in this study is a descriptive, the results of the study show that there are five types of pathogenic bacteria, namely: Bacillus sp, Escherichia coli, Enterobacter cloacae, Klebsiella sp, and Pseudomonas sp. And the …
This study aims to determine the TPACK ability profile of science teachers on circulatory system material in Sungailiat District. The research method used was descriptive qualitative with data collection techniques through questionnaires, CoRes & TPaP-eRs, and interviews with 8 science teachers in Sungailiat District, Bangka Regency. The results of the CoRes & TPaP-eRs instrument covering 5 asp…
THE EFFECT OF PROBLEM BASED LEARNING (PBL) ASSISTED BY QUIZIZZ APPLICATION ON MOTIVATION AND DIGITAL LITERACY IN TENTH GRADE BIOLOGY STUDENTS ABSTRACT This study aims to determine the extent to which the implementation of the Problem Based Learning (PBL) model assisted by the Quizizz application influences learning motivation and digital literacy of tenth-grade students in Biology subjects at S…
EFFECT OF MAHOGANY LEAF EXTRACT (Swietenia mahagoni L. Jacq.) ON THE HISTOLOGICAL STRUCTURE OF GASTRIC MUCOSA IN MICE (Mus musculus L.) Tegar Adi Wibowo 08082622327002 RESUME Traditional medicine has long been the most widely used form of treatment for various human diseases across the world. The World Health Organization (WHO) reports that approximately 80 of the population in developing count…
SUMMARY The Kali Angke waters flows through a densely populated area with various economic activities, making it a location for domestic waste disposal. The study was conducted at four observation stations representing various environmental conditions. Sampling was carried out using a purposive sampling method and identification was carried out at the Ecology and Biodiversity Laboratory of Jaka…
Gummy plants can be utilized as adhesives for paper, soil, and as a source of the enzyme protase, which is widely used in the food industry. Adhesives that are able to bind soil must have a fixed weight and composition so that the level of stickiness remains stable. Usually, adhesives are made from organic materials that have the ability to bond soil particles. In utilizing biomaterials as soil…
Diabetes mellitus is a chronic metabolic disease characterized by hyperglycemia resulting from impaired insulin secretion or action. Treatment using synthetic drugs often leads to side effects, thereby necessitating safer alternatives such as medicinal plants. This study aimed to examine the antidiabetic potential of mahogany leaf extract (Swietenia mahagoni) and to determine its optimal dose i…
Penyakit busuk pangkal batang (BSR) yang disebabkan oleh jamur Ganoderma boninense merupakan ancaman serius bagi perkebunan kelapa sawit di Indonesia, menyebabkan kerugian produksi signifikan dan dapat terdeteksi sejak tanaman berusia 1-2 tahun. Penggunaan pestisida sintetik sebagai metode pengendalian konvensional menimbulkan risiko pencemaran lingkungan dan kesehatan. Oleh karena itu, pemanfa…
Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan pupuk organik cair (POC) limbah kecambah Kacang hijau (Vigna radiata L.) dengan berbagai konsentrasi terhadap pertumbuhan tanaman Pakcoy (Brassica rapa L.). Metode yang digunakan dalam penelitian ini adalah metode eskperimen dengan menggunakan rancangan acak lengkap (RAL) dengan 6 perlakuan dan 4 pengulangan. Konsentrasi POC yan…
This study aims to determine the effect of Plant Growth Promoting Rhizobacteria (PGPR) from (Mimosa pudica L). roots on the growth of cherry tomato plants (Solanum lycopersicum). The method used in this study was an experimental method using a completely randomized design (CRD) with 6 treatments and 6 replicates. The PGPR concentrations used in this study were P0 (0%), P1 (10%), P2 (30%), P3 (5…
This study aims to find out how effective the chitosan formulation is and what is the best effective dose of chitosan to reduce the level of organic pollutants of palm oil liquid waste. The research was carried out from September 2024 to July 2025 at the Biology Education Laboratory, Sriwijaya University. This study is a type of experimental quantitative research using a Complete Random Design …
This study aims to determine the effect of liquid organic fertilizer made from tofu wastewater on the growth of caisim plants (Brassica chinensis var. parachinensis). The method used in this research was an experimental study employing a Completely Randomized Design (CRD) with 3 treatments and 9 replications, resulting in 27 experimental units. The concentrations of liquid organic fertilizer (L…
This study aims to determine the implementation of the adiwiyata school's environmental awareness and culture movement at Prabumulih City Public High School, which includes the availability of facilities to support the PBLHS movement, school programs related to the PBLHS movement, and the environmental awareness and culture behavior of students. This study uses a qualitative method. The sample …
Tanaman ciplukan (Physalis angulata L.) telah dimanfaatkan oleh masyarakat Indonesia dan dunia sebagai obat tradisional untuk mengatasi diabetes, gusi berdarah, hipertensi, bisul, atau luka infeksi, karena efek farmakologi yang kuat sebagai antioksidan, antibakteri, hepatoprotektor, antifibrotik dan antidiare. Senyawa bioaktif tanaman ciplukan dapat diperoleh melalui jamur endofitik dengan keun…
This research aims to determine the effect of thecombination of liquid organic fertilizer from Kirinyuh (Chromolaena odorata L.) and Chicken Eggshell (Gallus gallus domesticus) on the growth of Cherry Tomato plants (Solanum lycopersicum Var. Cerasiforme). The method used in this study is an experimental method using a completely randomized design (RAL) with 5 treatments and 5 replications. The …
Mangrove vegetation structure reflects the spatial distribution, density, and size of trees in an ecosystem. Vegetation composition refers to the diversity and ecosystem of species in an ecosystem. This study aims to determine the structure and composition of mangrove vegetation in the Arboretum of Sungsang IV Village, Banyuasin, South Sumatra. The study was conducted from February to March 202…
Biodiversity is a key component in maintaining the balance of the ecosystem, especially in aquatic. Fish play a vital role in the food chain and ecosystem dynamics, including in floodplain swamps such as the Lempuing River and the Tanjung Sari Conservation Area which are habitats for various fish species. The diversity of fish species is influenced by habitat factors, water quality, and interac…
reenbelt or commonly called Greenbelt is a no-development zone or green space around a central activity area that can cause pollution. This study aims to determine the structure and composition of mangrove vegetation in the Greenbelt of Sungsang IV Village. This study was conducted in January-February 2025 in the Greenbelt of Sungsang IV Village with the observation station determined based on …
Sungsang IV Village has high tourism potential and can become a tourist destination despite not having beaches, lakes, or similar natural attractions. However, the village has its own unique beauty and well-preserved traditions. In addition to its natural mangrove forest, the village also has a Mangrove Nursery Center. The mangrove nursery activities not only serve for environmental rehabilitat…
Skin diseases are usually caused by microbes that infect the skin. Staphylococcus aureus bacteria are one of the bacteria that can cause diseases on the surface of the skin and nose of humans. Other microbes that can infect the skin are Candida albicans. The use of chemical drugs to treat skin infections repeatedly can cause skin-infecting microbes to become resistant to the drugs given, theref…
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Crickets are agricultural pests that damage plants in the early stages. The use of synthetic insecticides causes resistance and pollution, so safer plant-based alternatives are needed. This study was conducted experimentally at the Biology Department of Sriwijaya University using RAL with 6 treatments (0, 2, 4, 6 and 8) and Regent 5 as a positive control, and 4 repetitions. The observation para…
Penelitian ini bertujuan untuk menganalisis profil deskriptif sikap ilmiah dan motivasi belajar peserta didik serta hubungan antara sikap ilmiah dengan motivasi belajar siswa pada mata pelajaran IPA-Biologi di SMP Karya Dharma Bhakti Palembang. Metode penelitian yang digunakan adalah deskriptif dan korelasional, dengan sampel terdiri dari 52 siswa kelas VII A, VII B, dan VII C, yang diambil mel…
Penelitian ini bertujuan untuk mengetahui kelimpahan dan pola distribusi keong Neritina juttingae di beberapa aliran Sungai Musi, Kota Palembang. Pengambilan sampel dilakukan pada lima stasiun pengamatan di anak sungai yang bermuara ke Sungai Musi pada dua waktu, yaitu pada tanggal 28 Februari dan 6 Mei 2025. Sampel diambil menggunakan metode handpicking dari substrat bambu pancang, dan data ke…
Sriwijaya University has 712 hectares of land, which has a diverse environment, ranging from plantation areas with various fruit plants, grasses, to artificial land. These conditions can be a potential habitat for various species of fruit flies. This study aims to identify fruit fly species, determine the composition and analyse the indices of diversity, dominance, and evenness, and examine the…
The species diversity of fish in an aquatic ecosystem serves as an indicator of environmental health. To date, no study has been conducted on the diversity of freshwater fish species in the Putak River. This research aimed to determine the fish diversity in the Putak River. The method used was direct observation with fish sampling at three stations during the transitional season (dry to rainy s…