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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 302 Documents
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Pengaruh Pendekatan Deep Learning Berbasis Etnosains terhadap Hasil Belajar Siswa Huriana Huriana; Akhmad Sukri; Agus Muliadi; Sri Nopita Primawati
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1642

Abstract

Students' low level of understanding regarding biological concepts may stem from a lack of connection between learning materials and real-life contexts or local wisdom within their immediate environment. Therefore, instructional innovation is needed to link scientific concepts with local knowledge through an ethnoscience-based deep learning approach. This study aims to determine the effect of an ethnoscience-based deep learning approach on student learning outcomes in biology. A quantitative approach was employed using a quasi-experimental method with a pretest-posttest control group design. The sample consisted of 34 Grade X students from SMA Islam Al-Azhar NW Kayangan (2025/2026 academic year), selected via total sampling and divided into an experimental group (18 students) and a control group (16 students). An essay-based learning outcome test served as the research instrument, and data analysis was conducted using a one-way ANOVA test. The results indicate a difference in learning outcomes between the experimental and control groups following the intervention. The experimental group's mean pretest score was 53.68, rising to 68.16 in the posttest, while the control group's mean pretest score was 32.81, rising to 56.88 in the posttest. The one-way ANOVA test yielded a significance value of 0.000 (< 0.05); thus, the null hypothesis (H0) was rejected and the alternative hypothesis (H1) was accepted. This demonstrates that the ethnoscience-based deep learning approach has a significant impact on students' biology learning outcomes. The novelty of this research lies in the application of a deep learning approach integrated with ethnoscience rooted in local wisdom as a contextual and meaningful biology learning strategy for students.
Identifikasi Bakteri Escherichia coli pada Sumur Gali Warga Dusun Penemung Kabupaten Sumbawa dalam Penyusunan Buku Petunjuk Praktikum Mikrobiologi Layyina Annisa Syafar; Sri Nopita Primawati; Husnul Jannah
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 3 (2026): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i3.1650

Abstract

Dug well water remains a primary source for meeting the daily water needs of many communities. However, the quality of dug well water can be influenced by environmental sanitation conditions, creating a potential risk of contamination by fecal indicator bacteria such as Escherichia coli. This study aimed to identify the presence of Escherichia coli in dug well water used by residents of Penemung Hamlet, Simu Village, Sumbawa Regency, and to develop and validate a research-based microbiology laboratory manual. An exploratory descriptive method was employed, involving sampling from ten dug wells. Bacterial isolation was performed using Eosin Methylene Blue Agar (EMBA) medium, followed by colony morphology identification, Gram staining, and IMViC biochemical testing. The laboratory manual was developed using the 4D model (up to the "develop" stage) and validated by media, language, and subject matter experts using Aiken's V index. The results showed that Escherichia coli was not detected in any of the samples using the employed methods. Based on morphological characteristics, Gram staining, and IMViC reaction patterns, the isolates were presumptively identified as Salmonella sp., Pseudomonas aeruginosa, and Citrobacter freundii. These identifications remain presumptive, as they have not yet been confirmed via molecular methods or automated bacterial identification systems. Validation results for the laboratory manual yielded Aiken's V scores of 0.86 for the media aspect (highly valid), 0.86 for the language aspect (highly valid), and 0.56 for the content aspect (valid). Consequently, the developed laboratory manual is deemed suitable for use as a supplementary resource for microbiology practical learning.

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