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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
Pengembangan E-LKPD Berbasis STEM yang Berorientasi pada Keterampilan Proses Sains dan Pemahaman Konsep Peserta Didik pada Materi Bioteknologi di SMA Swasta Shafiyyatul Amaliyyah Medan Sari, Siti; Idramsa; Hasairin, Ashar
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.v13i3.17795

Abstract

This study aims to develop, validate, and examine the effectiveness of a STEM-based Biotechnology E-LKPD as a solution to the limitations of biology learning media, which are generally focused on printed texts and lecture methods. The research employed a Research and Development (R&D) approach using the 4D model (Define, Design, Develop, and Disseminate), involving expert validation, teacher responses, individual trials, and implementation in both experimental and control classes SMA Swasta Shafiyyatul Amaliyyah Medan. Validation results indicated that the product achieved very good criteria, with scores of 87.61% from material experts, 93.75% from learning and media experts, and 95.23% from language experts. Teacher responses to the E-LKPD reached 97.69% (very good), while students’ individual trial responses recorded 96.31% (very good). The implementation in the experimental class demonstrated a significant improvement in science process skills with an average percentage of 89.2%, compared to 61% in the control class. Furthermore, students’ conceptual understanding increased with an N-Gain score of 0.75 (high) in the experimental class, compared to 0.60 (medium) in the control class. These findings conclude that the STEM-based Biotechnology E-LKPD is valid, practical, and effective in enhancing students’ science process skills and conceptual understanding, aligning with the goals of the Merdeka Curriculum.
Keanekaragaman Jenis Lamun (Seagrass) di Pesisir Pantai Desa Malanggo Pesisir Kecamatan Tinombo Selatan Kabupaten Parigi Moutong Gafar, Moh.; Astija; Mawaddah, Hayyatun; Nurdin, Musdalifah; Febriani, Vita Indri; 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.v13i3.18055

Abstract

This study aims to describe the diversity of seagrass species found on the coast of Malanggo Pesisir Village, South Tinombo District, Parigi Moutong Regency. This study used a quantitative descriptive method with a linear quadratic transect technique conducted at three observation stations. Each station was observed to determine the type and number of seagrass individuals found. The data obtained were then analyzed using the Shannon-Wiener diversity index (H’) to determine the level of seagrass species diversity at the study site. The results showed that there were five seagrass species found, namely Enhalus acoroides, Thalassia hemprichii, Halodule pinifolia, Halodule uninervis, and Cymodocea rotundata. The total number of seagrass individuals obtained was 8,548 with a diversity index value (H’) of 1.518 which is classified as moderate. This value indicates that the seagrass ecosystem in the waters of Malanggo Pesisir Village is in a relatively stable condition and is able to support the existence of several seagrass species. However, human activities around the coastal area have the potential to put pressure on the balance of the seagrass ecosystem. Therefore, efforts are needed to manage and preserve seagrass ecosystems sustainably so that their ecological function is maintained.
Hubungan Pola Makan dan Aktivitas Fisik dengan Status Gizi Siswa Kelas VIII SMP Negeri 19 Palu Asifah, Nur; Laenggeng, Abd. Hakim; Lilies, Lilies; Kundera, I Nengah; Masrianih, Masrianih; Ashari, Abdul
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.v13i3.16623

Abstract

This study aims to analyze the relationship between diet and physical activity with the nutritional status of students of SMP Negeri 19 Palu. This study used a cross sectional design with a quantitative approach and analytic observational type. The subjects were 77 students of class VIII (aged 13-15 years) who were selected using simple random sampling technique. Data were collected using FFQ (Food frequency Questionnaire) to assess diet and APARQ (Adolescent physical Activity Recall Questionnaire) for physical activity, both validated instruments from previous studies. As well as anthropometric measurements (height and weight) using the Body Mass Index (BMI) to determine nutritional status. The results of the analysis using the chi-square test showed that there was a significant relationship between diet and nutritional status (χ²(3) = 8.772; p = 0.032), and between physical activity and nutritional status (χ²(4) = 9.919; p = 0.042) Respondents with a good diet and moderate to vigorous physical activity tended to have normal nutritional status, while poor diet and light physical activity were more common among students with abnormal nutritional status. These findings suggest that diet and physical activity play an important role in determining the nutritional status of adolescents. The implications of this study emphasize the importance of educational intervention programs in the school environment to support healthy lifestyles and prevent nutritional problems among students.
Pengaruh Ekstrak Bunga Rosella (Hibiscus sabdariffa L.) Terhadap Kadar Glukosa Darah Pada Tikus Putih (Rattus norvegicus L.) Yang Diinduksi Aloksan Faradila, Ratna; Ramadhan, Achmad; Sutrisnawati, Sutrisnawati; Isnainar, Isnainar; Dhafir, Fatmah; Budiarsa, I Made
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.v13i3.16643

Abstract

This study aims to determine the effect of rosella flower extract on reducing blood glucose levels in alloxan-induced white rats. The research method used is an experiment conducted in the laboratory with a complete randomized design (RAL) pattern. The number of samples used was 24 white rats consisting of 6 treatment groups and 4 replicates. Normal control group (Kn) is a group that is only given food and drink, negative control group      (K-) is a group given alloxan induction, positive control group (K+) is a group given alloxan induction and metformin synthesized drug, treatment groups I, II, and III are groups given alloxan induction and rosella flower extract at a dose of 50 mg/kg BB, 100 mg/kg BB and 150 mg/kg BB. The data obtained were analyzed by ANOVA statistical test. The results showed that rosella flower extract had an effect on reducing blood glucose levels in white rats induced by alloxan. The most effective dose in reducing blood glucose levels in white rats is a dose of 150 mg/kg.
Penerapan Nilai Pendidikan Karakter Pada Pembelajaran Biologi Materi Pencemaran Lingkungan Kelas X MAS Proyek UNIVA Medan Supandi, Bunga; Akhyar, Sayed
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.v13i3.16651

Abstract

This study aims to describe the strategy for implementing character education values in biology learning on environmental pollution material in class X MAS UNIVA Medan Project, as well as identifying obstacles and impacts of the implementation. This study uses a qualitative method with a descriptive approach. Data collection techniques through observation, interviews, and documentation. The data analysis model used is the Miles and Huberman models. The subjects of the study consisted of 1 biology teacher and 15 students of class X MIA-1. The results of the study showed that the teacher's strategy was to implement the value of responsibility through collecting assignments and being responsible for bringing drinking bottles to reduce the use of plastic waste, the value of cooperation through group discussions and carrying out daily pickets so that the classroom environment becomes clean and comfortable and the value of caring for the environment through the habit of throwing garbage in its place and making crafts from plastic waste. The obstacles found included the lack of teacher understanding of character education, low student awareness of the environment, and the influence of bad habits from the environment outside the school. The behavior formed as a result of this implementation is an increase in student awareness of the importance of protecting the environment, the formation of responsible behavior, and the growth of cooperation between students in learning. The implications of this research are expected that students can be more active in participating in preserving the environment, for teachers it can provide new insights and strategies in integrating character values.
Identifikasi Ektoparasit Ikan Nila (Oreochromis niloticus) Suardi, Magfira; Dhafir, Fatmah; Sabran, Moh.; Sutrisnawati, Sutrisnawati; Ramadhan, Achmad; Agni, Raya
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.v13i3.16667

Abstract

This study aims is to identify the types of ectoparasites affecting Nile tilapia (Oreochromis niloticus). This research employed a survey method with purposive sampling technique. Fish samples were collected from two different locations, namely a tarpaulin pond and a soil pond in Binangga Village, Marawola District, Sigi Regency. Ten fish were sampled from each location and subsequently identified in the Biology Education Laboratory at Tadulako University. Observations were made on the external parts of the Nile tilapia, including the mucus, gills, fins, and tail. The parameter observed was the type of ectoparasite infecting the Nile tilapia. The results indicated the identification of five ectoparasite species: Dactylogyrus sp., Gyrodactylus sp., Attheyella sp., Cichlidogyrus sp., and Unitubulotestis sardae in 20 Nile tilapia samples. The highest prevalence of ectoparasites was found in the tarpaulin pond. However, both the tarpaulin and soil ponds shared one common ectoparasite species, Unitubulotestis sardae. The conclusion of this study is that Nile tilapia in both locations are infected by various ectoparasite species, with differences in prevalence between the tarpaulin and soil ponds.
Identifikasi Bacillus sp. pada Fermentasi Tapai Singkong Saridewi, Uut; Kundera, I Nengah; Budiarsa, I Made; Nurdin, Musdalifah; Trianto, Manap; Windarsih, Yulia
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.v13i3.16707

Abstract

This study aims to identify Bacillus sp. in cassava tapai fermentation that has potential as a probiotic ingredient. The type of research used is descriptive exploratory using the Standard Plate Count (SPC) method, Gram staining, and biochemical testing with the Microbant System 12B. Cassava tapai samples were obtained by fermenting them for 5 days. Fermentation of cassava tapai was carried out in the Biology Education Laboratory. The results of the study showed that (1) The Standard Plate Count test yielded the highest value on the 4th day of observation at 231x10-2 CFU/ml, while the lowest value was observed on the 1st day at 162x10-2 CFU/ml. (2) Gram staining of the bacterial isolates revealed Gram-positive rod-shaped morphology. (3) Biochemical testing using the Microbant System 12B showed the ability to ferment several types of carbohydrates such as sorbitol, sucrose, lactose, arabinose, adonitol, and salicin, but it cannot ferment inositol, malonate, rhamnose, raffinose, and arginine. Thus, it can be concluded that the bacteria identified from cassava tapai fermentation can ferment in accordance with the physiological capabilities of Bacillus sp.
Keanekaragaman Jenis Serangga di Berbagai Lahan Pertanian Kecamatan Basidondo Putri, Adelia; Dhafir, Fatmah; Zainal, Syech; Sabran, Moh.; Agni, Raya; Sutrisnawati, Sutrisnawati
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.v13i3.16708

Abstract

This research aims to describe the level of diversity of insect species in various agricultural lands in Basidondo District, Tolitoli Regency, Central Sulawesi. The research was conducted in January-March 2025 using descriptive methods and quantitative approaches that aim to make a description or descriptive of a situation objectively using numbers. Insect sampling techniques were carried out with four types, namely pitfall trap, light trap, sweeping net, and hand collection. The insects obtained were then identified according to the taxonomic order with the help of insect determination key book, and analyzed using Shannon-Wiener diversity index (H'). The results showed that there were 24 types of insect families that were successfully identified. The value of the diversity index (H') was 3.13, which was classified as high diversity. These results indicate that agricultural land in Basidondo District has environmental conditions that support the diversity of insect communities, which can contribute to the stability of agricultural ecosystems. High diversity indicates a balance between insect pests and natural enemies, as well as the role of insects as pollinators and decomposers.
Identifikasi Tumbuhan Obat yang Dimanfaatkan Masyarakat Suku Kaili di Desa Sipi Kecamatan Sirenja Fadilah, Nur; Nurdin, Musdalifah; Isnainar, Isnainar; Febriawan, Aan; Mawaddah, Hayyatun; Lilies, Lilies
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.v13i3.16812

Abstract

This study aims to identify the types of medicinal plants, parts of medicinal plants and the processing of medicinal plants used by the Kaili Tribe in Sipi Village, Sirenja District, Donggala Regency, Central Sulawesi. The type of research used in this study is descriptive qualitative with the snowball sampling method. The sampling technique used the roaming method and free collection. The method of determining the sampling area using the roaming method of the research location, namely, explored from the initial boundary of hamlet 1 in the west to the boundary of hamlet 4 in the east in Sipi Village. Data were collected through field observations, free interviews with people who have local knowledge about medicinal plants, and direct documentation. The results showed that there are 20 species of medicinal plants from 12 families that are used to treat various diseases such as diabetes, external wounds, tinea versicolor, toothache, digestive disorders, and others. The plant parts used include roots/rhizomes, stems, leaves and sap. The methods of utilization are various such as boiling, pounding, rubbing, chewing and drops. This research shows the importance of preserving traditional knowledge regarding the use of medicinal plants by local communities as part of local wisdom that is passed down from generation to generation.
Penerapan Model Pembelajaran Project Based Learning untuk Meningkatkan Hasil Belajar Siswa pada Mata Pelajaran Biologi Kelas XIA di SMAN 1 Bunobogu Fadila, Nurul; Lilies, Lilies; Jamhari, Mohammad; Bialangi, Mursito; Windarsih, Yulia; Binti Non Shamdas, Gamar
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.v13i3.16857

Abstract

This study aims to improve student learning outcomes in Biology through the implementation of Project Based Learning (PBL) in class XIA at SMAN I Bunobogu. The method used in this study is a Classroom Action Research (CAR) design consisting of four stages: planning, implementation, teacher observation, and student observation. The subjects of this study were 28 students in class XIA. The data collection instruments used in this study included teacher observation sheets, student observation sheets, and post-tests. The results of this study indicate that the project-based learning model in Biology has significantly improved student learning outcomes. This is demonstrated by the data analysis conducted during the first cycle, which showed a student learning outcome rate of 71%, while the second cycle saw an increase to 93%. Based on the results of this study, it can be concluded that the implementation of the Project-Based Learning model successfully improved student learning outcomes.

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