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Biocaster : Jurnal Kajian Biologi
Published by Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu
ISSN : 28083598     EISSN : 2808277X     DOI : https://doi.org/10.36312/biocaster
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology
Biocaster : Jurnal Kajian Biologi (B : JKB), focus to bridge the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of advances in biology research, teaching, and learning. Through the coverage of policy and curriculum developments, the latest results of research into the teaching, learning and assessment of biology are brought to the fore. Biocaster : Jurnal Kajian Biologi (B : JKB), receiving and publishing article in the form of research and review (scientific article) in the field of biology education and utilization of biological research in teaching and learning. Each article must be linked to the theme "21st century skills in biology education" and / or "Efforts to support the achievements of the goals set forth in the Sustainable Development Goals (SDGs) through biology education". All articles are published in English and under go a peer-review process. The scope of Biocaster : Jurnal Kajian Biologi (B : JKB), is focused on biology education research/review both in topics covered as well as disciplinary perspective : 1) Biology teaching and learning materials at all education levels; 2) Pure Research of Biology developed or studied to the sources, materials, or instructional media Biology (using the Research and Development paradigm/R&D); 3) Curriculum of Biology Education at all education levels; 4) Quasi-experiment, Class Action Research (CAR), and Lesson Study in Biology teaching and learning; 5) Other Qualitative Research of Biology Education; 6) Biology Learning Evaluation/Assessment; 7) Teacher Professional Issues/Trends in Biology Education; and 8) Environmental education.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 49 Documents
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Search results for , issue "Vol. 5 No. 4 (2025): October" : 49 Documents clear
Identifikasi Ordo Odonata di Kampus II Universitas Islam Negeri Sumatera Utara Hartono, Adi; Fahira, Nanda; Dalimunthe, Rizka Ramadhani; Munthe, Dea Wahdania; Ayundari, Sella
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.570

Abstract

Odonata is one of the orders of insects that has an important role as an indicator of the quality of aquatic ecosystems as well as a component in the food chain. The diversity of Odonata species in urban areas, including campus environments, is often not optimally documented, even though this information is crucial as a basis for environmental management and conservation of local species. Campus II of the State Islamic University of North Sumatra, which has a small aquatic ecosystem, such as ponds and riparian vegetation, is a potential habitat for the existence of the Odonata order. However, until now there has been no scientific study documenting the species in the area. Therefore, this study was conducted with the aim of identifying Odonata species found in the Campus II environment of the State Islamic University of North Sumatra. This research is an exploratory research with data collection techniques using direct sampling methods in the field. Specimen collection was carried out using insect nets, visually documented through digital cameras, and identified using taxonomic determination keys as the main reference. Stationery is used for recording data during field observation. The data from the research were analyzed qualitatively using the Miles and Huberman model analysis technique which involved four systematic steps, namely data collection, data reduction, data presentation, and conclusion drawn. The results of the study showed that in the Campus II area of the State Islamic University of North Sumatra, two species of Odonata were found, namely Diplacodes trivialis from the suborder Anisoptera and Agriocnemis pygmaea from the suborder Zygoptera. These two species show adaptation to artificial aquatic habitats in the campus environment. This study concluded that even though the area is semiurban, there is still a diversity of Odonata species that needs attention. The implications of this study are expected to be an initial reference for the development of local insect biodiversity studies as well as the basis for the formulation of insect-friendly habitat management policies in university areas.
Produksi Karkas dan Koloni Escherichia coli dalam Usus Halus Broiler yang Diberikan Probiotik pada Waktu yang Berbeda Muliani, Muliani; Wiryawan, Wiryawan; Pardi, Pardi
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.581

Abstract

This study aimed to evaluate the effect of probiotic Bacillus spp. through drinking water on carcass production and the number of Escherichia coli colonies in the small intestine of broiler chickens. The research was conducted at the Applied Laboratory of the Faculty of Animal Husbandry, Mataram University, using 175 broiler chickens of the CP 707 strain randomly divided into five treatments and five replicates. The treatments consisted of one control (T1) without probiotics, and four treatments (T2-T5) with Bacillus spp. doses of 3 cc/liter of drinking water at different times. The design used was a completely randomized design (CRD), and data were analyzed using Duncan's test when there was a significant effect. The results showed that probiotic Bacillus spp. had a significant effect (P<0.05) on feed consumption and final body weight, but had no significant effect on carcass percentage or the number of Escherichia coli colonies in the small intestine. These findings indicate that probiotics can improve growth performance, but are not effective in significantly reducing the number of pathogenic bacteria.
Efektivitas E-Modul Berbasis SDGs dengan Pendekatan STEM untuk Meningkatkan Kreativitas dan Hasil Belajar Peserta Didik SMA di Samarinda Sabina, Siti; Nasution, Ruqoyyah; Maasawet, Elsje Theodora; Masitah, Masitah
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.617

Abstract

The STEM (Science, Technology, Engineering, and Mathematics) approach is a learning method that integrates four fields of science to encourage problem-solving and creative thinking in a contextual manner. This study aims to test the effectiveness of Sustainable Development Goals (SDGs-based) E-Modules with a STEM approach in increasing students' creativity and learning outcomes on the Role of Fungi in Life material. The research used the true experiment method with a pretest-posttest control group design, involving students of class X of SMA Negeri 9 Samarinda which was divided into experimental classes and control classes. The instruments used are learning outcome tests and creativity assessment sheets that have been validated by experts. Data analysis was carried out with an independent sample t-test to test the significance of differences between classes, as well as N-Gain calculation to measure learning effectiveness. The results showed that the improvement in learning outcomes in the experimental class was relatively high with an N-Gain value of 0.73, while the control class was in the medium category with an N-Gain value of 0.42. The increase in creativity in the experimental class was also significant, especially in the aspects of flexibility and elaboration. The high category in the experimental class is achieved because the E-Module allows for self-exploration, project-based activities, as well as the relevance of the material to real life. In contrast, learning in the control class tended to be less stimulating to creative and reflective thinking skills. Thus, SDGs-based E-Modules with a STEM approach have proven to be effective in increasing students' creativity and learning outcomes, as well as supporting the development of 21st century skills.
Pembuatan Susu Alternatif Kombinasi Singkong (Manihot esculenta) dan Kacang Koro Pedang (Canavalia ensiformis) Jamilah, Wardatul; Hanizar, Evi; Danuji, Sarwo
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.618

Abstract

This study aims to develop alternative dairy products based on local ingredients, namely cassava (Manihot esculenta) and koro sword beans (Canavalia ensiformis) as a solution for individuals with lactose intolerance, as well as to support the use of local foods. This study is an experimental study that evaluates the panelists' acceptability of four formulations of plant-based milk with a comparison of different ingredients. The production process includes detoxification, fermentation, and mixing in four formulations, namely P1 (100%:0%), P2 (75%:25%), P3 (50%:50%), and P4 (25%:75%). Organoleptic tests were performed on aroma, taste, and texture attributes using a six-level hedonic scale assessed by 15 untrained panelists. The results showed that the formulation with the dominance of koro sword beans (P4: 25% cassava and 75% sword koro beans) was most preferred in terms of taste and texture, while the best aroma was found in the P3 formulation (50%:50%). Analysis of nutritional content showed that the P2 formulation had the highest carbohydrate content (14.68 mg/g), while the P3 formulation had the highest protein content (7.87 mg/g). This product has the potential to be a nutritious, functional, and sensorially acceptable local plant-based milk.
Pengaruh Pendekatan STEM-SDGs terhadap Keterampilan Saintifik Siswa dan Hasil Belajar Materi Sistem Ekskresi di SMA Islam Samarinda Huda, Nafisahtul; Nasution, Ruqoyyah; Rambitan, Vandalita Maria Magdalena; Masitah, Masitah; Kurniawati, Zenia Lutfi; Makkadafi, Suparno Putera
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.622

Abstract

This study aims to determine the influence of the STEM-SDGs approach on improving scientific skills and student learning outcomes on Excretory System material at SMA Islam Samarinda. This study uses a quasi experiment method with a non-equivalent control group design. The research sample was selected through a purposive sampling technique consisting of two groups, namely the experimental class of 26 students and the control class of 26 students. Data analysis was carried out using an independent sample t-test. The results of the study show that the STEM-SDGs approach has a significant effect on improving students' scientific skills, especially in the aspects of observing, reasoning, and communicating, as well as on learning outcomes shown through improving post-test scores. The engineering aspect is the most influential component, because it trains students to design and create projects based on the use of used goods according to the SDGs. Thus, it can be concluded that the STEM-SDGs approach is effective in improving students' scientific skills and learning outcomes through integrative and contextual project-based learning.
Efektivitas Kombinasi Daun Gamal (Gliricidia sepium) dan Buah Bintaro (Cerbera manghas) sebagai Insektisida Alami terhadap Tanaman Terong (Solanum melongena) Hotimah, Auliya Khusnul; Nasution, Ruqoyyah; Jailani, Jailani; Serena, Nelda Anasthasia
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.623

Abstract

The excessive use of chemical pesticides has a negative impact on the environment and health, so a more environmentally friendly pest control alternative is needed. This study aims to determine the effectiveness of the combination of gamal leaf extract (Gliricidia sepium) and bintaro fruit (Cerbera manghas) as a vegetable insecticide against pests in eggplant (Solanum melongena). The research method used pure experiments with a Complete Random Design (RAL) of five concentration treatments, namely 0% (control), 10%, 30%, 50%, and 70%. The observation data was analyzed using the ANOVA test. The results showed that the combination of gamal leaf extract and bintaro fruit had a significant effect in suppressing pest populations in eggplant plants, with a Fcal value of 11.750 and a significance value of 0.000 (< 0.05). The 70% concentration is the most effective treatment in reducing the intensity of pest attacks compared to other treatments and controls. This success is supported by the content of bioactive compounds, such as flavonoids, saponins, alkaloids, and cerberins that act as contact poisons and stomach toxins in the target insects. These findings suggest that the combination of the two extracts could be a safe, economical, and sustainable alternative to plant insecticides to support the cultivation of horticultural crops without relying on synthetic chemical pesticides.
Kajian Etnosains Pembuatan Makanan Tradisional Lomak Daerah Manggarai Wae, Veronika P. Sinta Mbia; Fatima, Noviana Deam; Ndang, Yustika Elviani
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.624

Abstract

This study aims to examine the ethnoscientific values contained in the process of making traditional Lomak food from the Manggarai area, East Nusa Tenggara. Lomak is one of the culinary heritage that not only has a distinctive taste, but also reflects the local knowledge of the Manggarai people, starting from the selection of ingredients, processing techniques, to food preservation efforts. This study uses a qualitative approach with data collection techniques in the form of observation, in-depth interviews, and documentation studies. The results of the study show that the process of making Lomak contains scientific principles, such as natural fermentation techniques, sustainable use of local ingredients, and traditional knowledge about sanitation and food conservation. This ethnoscience study is expected to be a source of contextual learning in science education while contributing to the preservation of local culture. The novelty of this research lies in the application of food innovation that combines aspects of business management, marketing strategy, and cultural preservation, so that it has the potential to increase the income of Lomak artisans in the Manggarai area.
Jenis-jenis Gulma yang Ditemukan di Perkebunan Kelapa Sawit PT. Incasi Raya Pangian sebagai Buku Ilmiah Populer Karina, Karina; Nursyahra, Nursyahra; Sari, Liza Yulia
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.628

Abstract

PT. Incasi Raya Pangian is a company engaged in oil palm plantations with a land area of 6,890 hectares, located in Nagari Sinamar, Asam Jujuhan District, Dharmasraya Regency, West Sumatra Province. One of the main problems in oil palm cultivation is the presence of weeds that can reduce productivity by up to 20% through competition in the absorption of water, light, and nutrients. This research aims to identify the types of weeds that grow in oil palm plantations and compile them in the form of popular scientific books as an educational medium for the community and educators. The research was carried out in two stages. The first stage was carried out to obtain research weed data using the 10-meter transect method with five plots measuring 1 m x 1 m which were arranged alternately in the plantation area of PT. Incasi Raya Pangian, Nagari Sinamar, Dharmasraya Regency. The second stage is the preparation of popular scientific books, where weed samples are collected, preserved, and identified using botanical literature at the Botanical Laboratory of the University of PGRI West Sumatra. The results showed that there were 33 species of weeds from 27 families, consisting of 28 species of the Spermatophyta Division and 5 species of the Pteridophyta Division. Some common species include Ageratum conyzoides, Clidemia hirta, and Cyperus rotundus. The popular scientific books produced have the potential to be a source of practical information for the community, as well as support sustainable weed management in oil palm plantations.
Pengaruh Model Pembelajaran Problem Based Learning Terintegrasi STEAM terhadap Literasi Sains Siswa pada Mata Pelajaran IPA Biologi Kelas VII di SMP Negeri 37 Samarinda Sari, Selvi Novita; Rambitan, Vandalita Maria Magdalena; Masitah, Masitah; Purwati, Sri; Makkadafi, Suparno Putera
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.629

Abstract

The low science literacy of Indonesian students in the PISA study requires learning innovations that emphasize mastery of science concepts and their application in daily life. This study aims to determine the influence of the STEAM (Science, Technology, Engineering, Arts, and Mathematics) integrated Problem Based Learning (PBL) learning model on students' science literacy in the Biology Science subject grade VII at SMP Negeri 37 Samarinda. This study is a quasi experiment with a randomized pretest-posttest control group design. The research sample was obtained through a cluster random sampling technique consisting of class VII E as the experimental class and VII F as the control class. Data analysis includes normality test, homogeneity test, t-test, and N-Gain test. The results showed that the application of the STEAM integrated PBL model had a significant effect on improving students' science literacy as shown by the results of the t-test with a significance value of 0.000 (< 0.05). Thus, it can be concluded that the STEAM integrated PBL model is effective in improving students' science literacy. These findings indicate that the model could be an innovative and relevant alternative learning strategy to be implemented in secondary schools.
Implementasi Flipbook Materi Sistem Pertahanan Tubuh untuk Mendukung SDGs pada Hasil Belajar Siswa SMAN 2 Tenggarong Destyara, Edita; Nasution, Ruqoyyah; Jailani, Jailani; Serena, Nelda Anasthasia; Rambitan, Vandalita Maria Magdalena
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 4 (2025): October
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i4.630

Abstract

The low level of students' understanding of Biology material, especially on the topic of the body's defense system, is often caused by limitations in the variety of learning media used. This study aims to analyze the effect of the use of flipbook-based learning media on student learning outcomes on body defense system materials, in order to support the implementation of the Sustainable Development Goals (SDGs) at SMA Negeri 2 Tenggarong. This study uses a quasi-experimental approach with purposive sampling techniques, involving 35 students divided into experimental and control groups. The research instrument consists of learning outcome tests and questionnaires, which are used to measure students' cognitive achievement. Data analysis was carried out through hypothesis tests using independent sample t-test and N-gain calculation. The results showed a significant difference between the experimental and control groups, with a significance value of the t-test of 0.00 (< 0.05), and an N-gain value of 0.73 which was categorized as a fairly effective improvement. Flipbook media has been proven to have a positive influence on student learning outcomes in the experimental group. The increase was influenced by internal and external factors, including the quality of flipbook content, the support of learning facilities, and students' motivation and interest in learning. Thus, flipbook learning media can be considered an effective alternative in increasing students' understanding of the body defense system material, as well as contributing to improving the quality of education in line with the Sustainable Development Goals (SDGs).

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