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Bioscientist : Jurnal Ilmiah Biologi
Published by Universitas Pendidikan Mandalika
ISSN : 23385006     EISSN : 26544571     DOI : https://doi.org/10.33394
Core Subject : Science, Education, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences
Bioscientist : Jurnal Ilmiah Biologi (BJIB), receiving and publishing article in the form of research (scientific article) in the field of biology education and utilization of biological research in learning. Moreover, this journal bridges the gap between research and practice, providing information, ideas and opinion, in addition to critical examinations of biology research and teaching. 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. Special emphasize are as follow: 1. Research on Learning Biology (Biology Learning Materials at All Education Levels). 2. Pure Research of Biology Developed or Studied to the Sources, Materials, or Instructional Media Biology (Biology Learning Materials at All Education Levels and Application in Society). 3. Curriculum of Biology Education at all Education Levels. 4. Class Action Research (CAR) and Lesson Study in Biology. 5. Other Qualitative Research of Biology Education. 6. The School Management and Biology/Science Laboratory Management. 7. Biology Learning Evaluation. 8. Teacher Professional Issues/Trends in Biology Education. 9. Another Study for the Scope of Biology Education. 10. Research on Environmental Education.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 80 Documents
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Search results for , issue "Vol. 13 No. 3 (2025): September" : 80 Documents clear
Pengaruh Model Project Based Learning Berbasis STEM Terhadap Keterampilan Berpikir Kreatif dan Motivasi Belajar Peserta Didik Pada Mata Pelajaran Biologi di SMAN 4 Palu Palangi, Julmita; Jamhari, Mohammad; Agni, Raya; Laenggeng, Abd Hakim; Fardha, Rizka; Febriawan, Aan
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17434

Abstract

This study aims to determine the effect of the STEM-based project-based learning (PjBL) model on students' creative thinking skills and learning motivation in biology at SMA Negeri 4 Palu. The study used a quantitative approach with a quasi-experimental design, the population in this study were all grade X students of SMA Negeri 4 Palu in the 2024/2025 academic year consisting of 12 study groups with a total of 400 students. The sample was determined through purposive sampling, consisting of an experimental class (n=33) receiving PjBL-STEM learning and a control class (n=33) with conventional learning. Data were collected through creative thinking skills tests and learning motivation observation sheets, then analyzed using normality tests, homogeneity tests, and independent samples t-tests. The results showed that the PjBL-STEM model had a significant effect on improving creative thinking skills (Sig. = 0.023 <0.05) and learning motivation (Sig. = 0.000 <0.05). This finding confirms that the integration of the STEM approach in PjBL not only strengthens the cognitive but also the affective aspects, so that it can be used as a strategic alternative in developing a biology curriculum to foster 21st-century competencies.
Pengaruh Pemberian Ekstrak Etanol Buah Gandaria (Bouea macrophylla Griff.) Terhadap Profil Lipid Tikus Putih (Rattus norvegicus L.) Yang Diinduksi Karbon Tetraklorida (CCI4) Putri, Nesya Destika; Febriani, Husnarika
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17449

Abstract

This study aimed to evaluate the effect of ethanolic extract of gandaria fruit (Bouea macrophylla Griff.) on the lipid profile of male white rats (Rattus norvegicus L.) induced with carbon tetrachloride (CCl₄). The study highlights the potential hypolipidemic activity of the extract by measuring levels of total cholesterol, triglycerides, Low Density Lipoprotein (LDL), and High Density Lipoprotein (HDL). A Completely Randomized Design (CRD) was employed, involving 25 rats divided into five groups: negative control, positive control (CCl₄ without treatment), and three treatment groups administered the extract at doses of 100, 150, and 200 mg/kg body weight for 30 days. Data were analyzed using ANOVA followed by Duncan’s Multiple Range Test (DMRT) at a significance level of p < 0.05. The results showed that the 200 mg/kg dose significantly reduced levels of total cholesterol, triglycerides, and LDL, while the highest increase in HDL was observed at the 100 mg/kg dose. These findings also indicate that the ethanolic extract of Bouea macrophylla fruit exhibits dose-dependent hypolipidemic and antioxidant effects and has potential as a natural therapeutic candidate for improving lipid profile disorders caused by chemically induced liver damage.
Pengembangan Media Pembelajaran Articulate Storyline Berbasis PBL Pada Materi Sistem Pencernaan Untuk Meningkatkan Kemampuan Berpikir Kreatif Siswa Nasution, Aziz Husein; Adlini, Miza Nina
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17475

Abstract

This study aims to develop Articulate Storyline learning media based on Problem Based Learning (PBL) on the digestive system material to improve students' creative thinking skills. The study used the Research and Development (R&D) method with the 4D model (Define, Design, Develop, and Disseminate). The subjects were 32 grade XI students of SMAN 2 Plus Panyabungan in the even semester of the 2024/2025 Academic Year. The research instruments included expert validation sheets, teacher and student response questionnaires, and creative thinking essay tests based on indicators of fluency, flexibility, originality, and elaboration. Data were analyzed through validity, practicality, and effectiveness tests using the N-Gain calculation. The results of the study indicate that the PBL-based Articulate Storyline media developed is in the very valid category based on the assessment of material experts and media experts, very practical according to teacher and student responses, and effective in improving creative thinking skills with an N-Gain value of 0.71 (effective). This media is considered easy to operate, interesting, interactive, and able to motivate students to be active in learning. Thus, the PBL-based Articulate Storyline media on the digestive system material is proven to be valid, practical, and effective in supporting students' creative thinking skills, and can be an innovative alternative in improving the quality of biology learning according to the demands of the 21st century.
Penerapan Pembelajaran Problem Based Learning (PBL) dalam Meningkatkan Kemampuan Pemecahan Masalah Siswa Kelas X M6 di SMA Negeri 5 Palu Putri, Riska Ananta; Jamhari, Mohammad; Bialangi, Mursito S.; Shamdas, Gamar B.N.; Lilies; Febriani, Vita Indri
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17478

Abstract

This study aims to improve students' problem-solving skills through the application of Problem-Based Learning (PBL) at SMA Negeri 5 Model Palu. This study is a classroom action research (CAR) with two cycles, each consisting of two meetings, conducted in the even semester of the 2024/2025 academic year. The research subjects were 28 students from class X M6 at SMA Negeri 5 Palu, consisting of 10 male and 18 female students. The research instruments used were student problem-solving ability tests and observation sheets of teacher and student activities. The learning tools used consisted of teaching modules using the Problem-Based Learning (PBL) model and student worksheets (LKPD). The data were analyzed based on the results of observations of teacher and student activities and problem-solving ability tests. The results showed that applying the Problem-Based Learning (PBL) model could improve students' problem-solving abilities, with an average score of 73.04 with a percentage of 71% (incomplete) in cycle I to 87.50 with a percentage of 96% (complete) in cycle II. Applying the Problem-Based Learning (PBL) model also increased teacher teaching activities and student learning activities. Thus, the application of the Problem-Based Learning (PBL) model can improve the problem-solving skills of grade X M6 students at SMA Negeri 5 Palu.
Pengembangan Teknologi 3d Augmented Reality Sebagai Media Visual Sistem Peredaran Darah Berbasis Wahdatul Ulum Nahombang, Syntia; Rasyidah
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17494

Abstract

The purpose of this study was to design a 3D augmented reality (AR) learning medium using the assemblr edu platform, integrated with Qur”anic verses through the wahdatul ulum approach, focusing on the circulatory system material for grade XI senior high school students (SMA/MA). This research applied the Research and Development (R&D) method by referring to the ADDIE model. The instruments employed consisted of interview sheets, validation sheets, questionnaires, and learning outcome tests. The findings revealed that (1) the validation score from media experts reached 92,5%; (2) material experts scored 95,4%; (3) test instrument validators obtained 87,5%; (4) validators of wahdatul ulum integration achieved 92,5%; all of which were categorized as very valid. The practicality test indicated that (1) teacher responses reached 91% and (2) student responses reached 93,5%, both of which fell into the very practical category. The effectiveness of the media, based on the comparison between pretest and posttest result, showed an increase in the average score from 82,2 to 95,4, with an N-Gain value of 0,74 categorized as high. The results demonstrate that the 3D augmented reality visual media based om wahdatul ulum is valid, practical, and effective for biology learning, as it successfully enhances student’s understanding, interest, and active participation in visualizing complex concepts interactively while simultaneously instilling spiritual values through the integration of qur’anic verses.
Air Quality at Urban Transportation Nodes: A Case Study of SO₂, NO₂, and CO Concentrations in Palembang City Yuwati, Sri; Gulo, Fakhili; Zulkarnain, Mohammad; Suheryanto
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17495

Abstract

This study aimed to analyze variations in sulfur oxide (SO₂), nitrogen oxide (NO₂), and carbon monoxide (CO) concentrations at eight major intersections in Palembang City.This study analyzed ambient air quality at eight major traffic nodes in Palembang City using SO₂, NO₂, and CO parameters. Measurements were carried out at a height of 2–3 meters according to US-EPA and WHO standards. SO₂ was determined using the West–Gaeke method, NO₂ with the Griess–Saltzman and chemiluminescence analyzer, while CO was measured using the Non-Dispersive Infrared (NDIR) method. All procedures were accompanied by recording of meteorological factors and instrument quality control. The results showed a significant difference between morning and afternoon, with higher average concentrations in the afternoon (SO₂: p = 0.014; NO₂: p = 0.000; CO: p = 0.003), which was influenced by traffic density and meteorological conditions. Pollutant concentrations tended to increase during rush hour at intersections with high vehicle flow. In contrast, inter-location analysis showed variations in pollutant concentrations, but they were not statistically significant (p > 0.05), indicating a relatively homogeneous distribution of traffic emissions in urban areas. Exposure to SO₂, NO₂, and CO has the potential to cause serious health impacts, including respiratory and cardiovascular disorders, as well as liver dysfunction due to oxidative stress and hypoxia. These findings emphasize the need for continuous air quality monitoring and transportation emission control policies in Palembang.
Pengembangan Booklet Inventarisasi Jenis-Jenis Tumbuhan Obat Sebagai Sumber Belajar Biologi Kelas X di Kecamatan Barumun Kabupaten Padang Lawas Siregar, Laila Khoria; Ulfa, Syarifah Widya
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17496

Abstract

This study aims to develop a booklet based on the local potential of medicinal plants as a learning resource for biology in the biodiversity topic of grade X at SMA Negeri 1 Barumun. The background of this research is rooted in the need for contextual learning media that can connect biology material with students’ surrounding environment, making the learning process more relevant, engaging, and meaningful. The research employed a Research and Development (R\&D) method using the ADDIE model, which consists of five stages: Analysis, Design, Development, Implementation, and Evaluation. The instruments used included expert validation sheets, teacher and student response questionnaires, and concept comprehension tests. The validation results indicated a very high level of feasibility with expert scores ranging from 95–98%. Practicality testing revealed positive responses from teachers (95%) and students (97%). Furthermore, the effectiveness test through concept comprehension produced an N-gain score of 0.81, categorized as high. These findings demonstrate that the booklet based on the local potential of medicinal plants is not only valid and practical but also effective in improving the quality of biology learning and can serve as an innovative learning resource aligned with 21st-century educational needs.
Keanekaragaman Kultivar Pisang (Musa spp.) Berdasarkan Karakter Biokimia Pada Berbagai Ketinggian Tempat di Kabupaten Boyolali Adimas, Lastya; Suratman; Solichatun
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17509

Abstract

This study aims to determine the effect of differences in growing places altitude on the diversity of biochemical characters (glucose, vitamin C, and folic acid) of three banana cultivars (Musa acuminata (AAA)/ambon, Musa balbisiana (BBB)/kepok, and Musa paradisiaca (AAB)/raja) grown in Boyolali Regency. The study was conducted at three growing places altitudes: Kemusu (123 masl), Musuk (667 masl), and Gladagsari (806 masl). Biochemical content data were tested quantitatively using UV-Vis spectrophotometry and a refractometer, with five replications per location, then analyzed using ANOVA. The results showed significant variation between cultivars and locations in terms of vitamin C and folic acid levels, with the Musa balbisiana (BBB)/kepok cultivar in Musuk having the highest vitamin C content. Furthermore, environmental factors such as light intensity and temperature significantly influenced the variation in biochemical content. This study strengthens the understanding of the interaction between genotype and environmental factors (G × E interaction) in shaping the nutritional quality of bananas. In conclusion, the selection of appropriate cultivars and planting locations can optimize the nutritional value of bananas.
Identifikasi Jenis-Jenis Gulma di Area Persawahan Desa Salumpaga Kec. Tolitoli Utara Kab. Tolitoli Satri; Nurdin, Musdalifah; Febriawan, Aan; Lilies; Fardha, Rizka; Febriani, Vita Indri
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17511

Abstract

This study aims to identify rice field weeds in Salumpaga Village, North Tolitoli District. Rice field weeds are wild plants that grow in rice fields and are undesirable to farmers because they inhibit the growth of rice plants. The method used was descriptive with purposive sampling techniques. The weeds identified were those that already had complete organs such as roots, stems, and leaves. The results of the study identified 25 types of weeds, namely, the Asteraceae family (Synedrella nodiflora (L.), Erigeron sumatrensis (Retz.), Ageratum conyzoides (L.), Tridax procumbens (L.), Sphogneticola trilobata (L.), Chromolaena odorata (L.) King & H.Rob, Mikania scandens (L.) and Mikania mikrantha (Kunth.)). Fabaceae family (Mimosa pudica (L.) and Crotalaria pallida (Var.)). Euphorbiaceae family (Euphorbia hirta (L.) and Macaranga peltata (Roxb.)). Cyperaceae family (Kyllinga brevifolia (Rottb.) Hassk. and Cyperus compressus (L.)). Lamiaceae family (Hyptis brevipes (Poit.) and Gmelina arborea (Roxb.)). Convolvulaceae family (Ipomoea aquatica (Forssk.) and Ipomoea triloba (L.)). Poaceae family (Hymenachne amplexicaulis (Rudge.)). Oxalidaceae family (Oxalis stricta (L.)). Rubiaceae family (Oldenlandia corymbosa (L.)). Onocleaceae family (Matteuccia sturthiopteris (L.) Tod). Family Amaranthaceae (Celosia argentea (L.)). Family Vitaceae (Cayratia trifolia (L.)). Family Graminaceae (Imperata cylindrical (L.). Beauv.).
Pengaruh Model Pembelajaran Problem Based Learning Menggunakan Vidio Pembelajaran Berbasis Artificial Intelligence (AI) Terhadap Hasil Belajar Siswa Pada Materi Sistem Pencernaan Manusia di Kelas XI MIA SMA Swasta Muhammadiyah 10 Rantauprapat Syahputra, Dicky Ananda; Harahap, Hasmi Syahputra; Khairul; Sari, Novi Fitriandika
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17519

Abstract

This study aims to analyze the effect of implementing Problem-Based Learning (PBL) assisted by Artificial Intelligence (AI)-based video on students’ learning outcomes in the topic of the human digestive system. The research employed a quasi-experimental method with a Pretest-Posttest Control Group Design. The participants of the study were eleventh-grade students of SMA Swasta Muhammadiyah 10 Rantauprapat. The instruments used in this study included a learning achievement test and a student response questionnaire. Data were analyzed using the t-test. The results show that the application of the Problem-Based Learning learning model with the help of Artificial Intelligence (AI)-based videos is proven effective in improving student learning outcomes on the human digestive system material. This is seen from the increase in the average score, the lowest score, and the highest score, and is supported by the results of normality tests, homogeneity tests, and One Sample Tests that show significant differences. The implication of this finding is the need for educators to not only rely on conventional learning, but also combine it with innovative learning strategies or media. The combination of the two is believed to increase the effectiveness of learning and student motivation.

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