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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 166 Documents
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Pengaruh Model Pembelajaran Problem Based Learning (PBL) Berbantuan LKPD Liveworksheets terhadap Hasil Belajar Siswa Kelas VII pada Mata Pelajaran IPA di SMP Negeri 37 Samarinda Oktavia, Aulia Ayu; Akhmad, Akhmad; Turista, Dora Dayu Rahma; 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.v5i4.705

Abstract

Seventh-grade students of SMP Negeri 37 Samarinda face problems in science learning, namely not achieving learning mastery. The learning process is still dominated by conventional teacher-centered methods that cause students to tend to be passive and learning media are less varied, so that learning activities are not effective. To overcome these problems, this study applies the Problem Based Learning (PBL) learning model assisted by LKPD Liveworksheets which encourages students to think critically and actively to be able to solve problems thoroughly and completely. This study aims to determine the effect of the problem based learning model assisted by LKPD Liveworksheets on the learning outcomes of seventh-grade students in science subjects at SMP Negeri 37 Samarinda. The type of research used is quantitative research with a quasi-experimental method using a non-equivalent control group design. The research sample was selected by purposive sampling consisting of classes VIIC and VIID with a total of 44 students. Data analysis was carried out using the independent sample t test and the N-Gain test. Based on the data analysis, the t-test obtained a significance value of 0.004 (p < 0.05), indicating a significant difference between the learning outcomes of students in the experimental and control classes. Furthermore, the N-Gain analysis showed that the experimental class obtained a score of 0.63, which is in the moderate category, while the control class obtained a score of 0.57, also in the moderate category. These findings indicate that the implementation of the Problem-Based Learning (PBL) model assisted by Student Worksheets (LKPD) based on liveworksheets has a positive impact on improving student learning outcomes in Natural Science (IPA) for seventh graders at SMP Negeri 37 Samarinda.
Pengaruh Eco-Enzyme sebagai Nutrisi terhadap Pertumbuhan Tanaman Selada Hijau (Lactuca sativa) pada Metode Hidroponik Sistem Wick di Kota Samarinda Sofian, Roza Adnan; Kurniawati, Zenia Lutfi; Turista, Dora Dayu Rahma; Purwati, Sri; 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.v5i4.713

Abstract

Green lettuce (Lactuca sativa) is a horticultural crop that is becoming increasingly popular due to its high nutritional content. This plant plays an important role in improving the nutritional intake of the community. This study aimed to determine the effect of using eco-enzyme on the growth of green lettuce plants and to identify the best concentration. The research was conducted from June to August 2025 on a limited area using the wick hydroponic system located on Jalan Abdul Wahab Syahrani, Gang Wangi, Gunung Kelua, Air Hitam, Samarinda City, East Kalimantan Province. This study used a Randomized Block Design (RBD) consisting of five treatments, each repeated five times, namely: P0 (control/1 L), P+ (control plus/AB mix 10 ml/L), P1 (EE 10 ml/L), P2 (EE 15 ml/L), and P3 (EE 20 ml/L). Data on plant height and number of leaves were analyzed using Two-way Multivariate Analysis of Variance (Two-way MANOVA) followed by the Bonferroni test at a 5% significance level. Meanwhile, the data on fresh weight were analyzed using One-way Analysis of Variance (One-way ANOVA). The results showed that eco-enzyme treatment had a significant effect on plant height, number of leaves, and fresh weight of green lettuce, with the best concentration obtained from treatment P1 (EE 10 ml/L).
Pengaruh Penerapan Model Team Games Tournament pada Materi Keanekaragaman Hayati Berbasis Games QuizWhizzer terhadap Motivasi dan Hasil Belajar pada Siswa/i Kelas VII Sari, Octaviani; Turista, Dora Dayu Rahma; Maasawet, Elsje Theodora; Masitah, Masitah; Herliani, Herliani; 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.v5i4.720

Abstract

This study aims to determine the effect of the application of the Team Games Tournament (TGT) model on biodiversity materials based on QuizWhizzer game media on the motivation and learning outcomes of grade VII students of SMP Negeri 7 Samarinda. The research method used was a quasi-experimental with a pretest-posttest control group design. The research subjects consisted of 25 students in grades VII-D as an experimental class using the QuizWhizzer-based TGT model, and 25 students in class VII-F as a control class using the discovery learning model. The results of the study showed that there was a significant influence of the application of the QuizWhizzer-based TGT model on student motivation and learning outcomes. Based on the results of the t-test, a significance value (2-tailed) of 0.001 < 0.05 was obtained which showed a significant influence on learning outcomes. The results of the N-Gain test showed an increase in learning outcomes in the medium category, with an average increase in the experimental class of 0.43, while the control class was 0.35. In addition, the results of the Mann-Whitney test on learning motivation showed a p-value of 0.000 < 0.05 which means that there is a significant difference between the two classes. Thus, it can be concluded that the use of the Team Games Tournament (TGT) model based on QuizWhizzer media has a significant effect on increasing student motivation and learning outcomes. This model has also been proven to increase students' interest in the learning process through fun game elements.
Pengaruh QuizWhizzer terhadap Motivasi Belajar Siswa pada Pembelajaran IPA di SMPN 1 Palangka Raya Tyarini, Elly Brata; Araina, Elga; Putri, Rahmadyah Kusuma; Rahmawati, Rahmawati; Hartanti, Rio Eka Desi Purwandari
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.v5i4.723

Abstract

This study aims to determine the effect of QuizWhizzer on student learning motivation in science lessons for eighth graders at SMPN 1 Palangka Raya. This study is quantitative in nature and uses an experimental research method. The research design used in this study is a one-group pre-test and post-test design with one class as the sample, consisting of 28 students. The media used in this study was QuizWhizzer, which is an educational game-based media. The instrument used in data collection was a questionnaire with a 4-point Likert scale, which was a modification of the 5-point Likert scale. The results showed that the average score of student learning motivation after being given treatment at the post-test was 62, which was very good. Data analysis results showed an increase in student learning motivation, accompanied by significant positive changes (sig. 0.000<0.05). Based on these findings, the researcher concluded that the use of QuizWhizzer media had a positive effect on student learning motivation.
Validitas Media Pembelajaran Berbasis Google Sites untuk Meningkatkan Hasil Belajar Siswa pada Materi Sistem Ekskresi Pulumoduyo, Siti Nurul Adia; Katili, Abubakar Sidik; Ibrahim, Mustamin; Solang, Margaretha; Husain, Ilyas H.
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.v5i4.725

Abstract

Biology learning on excretory system materials often experiences obstacles due to the abstract nature of the material and the lack of use of interactive learning media. As a result, students tend to be passive and learning outcomes are low. This condition shows the need for digital-based learning media innovations that are able to present visualization and interactivity in the learning process. This study aims to determine the level of validity of Google Sites-based learning media on human excretion system materials. The type of research used is research and development with the ADDIE model which includes the stages of analysis, design, development, implementation, and evaluation. However, this study is limited to the limited stage of trials. The research instrument is in the form of validation sheets assessed by material experts and media experts. The results of the study showed that the average validation score by material experts was 94.3% and by media experts was 92.5%, both of which were included in the very valid category. Based on these results, it can be concluded that the Google Sites-based learning media developed is suitable for use as a biology learning medium. This media is effective in helping students understand the concept of the excretory system in a more interesting, contextual, and interactive way.
Penerapan Model Pembelajaran Project Based Learning (PjBL) melalui Pendekatan Diferensiasi terhadap Peningkatan Kreativitas dan Hasil Belajar Peserta Didik dalam Materi Sistem Koordinasi di Kelas XI SMA Negeri 13 Samarinda Lestari, Endah Puji; Maasawet, Elsje Theodora; Lumowa, Sonja Verra Tinneke; Makkadafi, Suparno Putera; 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.v5i4.726

Abstract

This study aims to determine the effect of the implementation of the Project Based Learning (PjBL) learning model through a differentiation approach in improving creativity and learning outcomes of students in class XI of SMA Negeri 13 Samarinda. This research method uses a quantitative approach with a non-equivalent control group design. The population in this study was all class XI of SMA Negeri 13 Samarinda. Sampling used a purposive sampling technique. The sample in this study was class XI Moving Biology (XI-5 and XI-8) as an experimental class using the Project Based Learning (PjBL) learning model through a differentiation approach and XI-3 as a control class using a conventional learning model. Data were collected through tests in the form of essay questions and observation sheets. The data from the test questions and observation sheets were analyzed using an independent sample t-test and an N-gain test with the help of a data processing application. The statistical test results obtained from the independent sample t-test on creativity showed a significance value of 0.000 < 0.05, as well as the independent sample t-test on learning outcomes of 0.011 < 0.05, so H0 was rejected and Ha was accepted. It can be concluded that there is an influence of the application of the Project Based Learning (PjBL) learning model through a differentiation approach on creativity and learning outcomes of students in the experimental class. Furthermore, the N-gain test showed an increase in student learning outcomes after implementing the Project-Based Learning (PjBL) model through a differentiation approach, with an N-gain score of 0.91, in the high category. These research results indicate that implementing PjBL with a differentiation approach can be an effective alternative learning strategy for developing creativity and improving student learning outcomes in high school.
Validitas Modul Ajar Berbasis Problem Based Learning Terintegrasi Google Sites pada Materi Ekosistem Daud, Dwi Junievawati; Mamu, Hartono D.; Mustaqimah, Nur; Nusantari, Elya; Husain, Ilyas H.
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.v5i4.737

Abstract

Biology learning in ecosystem materials still faces obstacles in the form of limited interactive learning tools, so that it has not been able to optimize students' problem-solving skills. The use of conventional devices that have not utilized digital technology makes the learning process less interesting and does not fully support independent learning. This study aims to describe the validity of google sites-integrated problem-based learning-based teaching modules on ecosystem materials. This type of research is Research and Development (R&D) with the ADDIE (Analyze, Design, Develop, Implement, and Evaluate) development model. The research subjects consisted of 31 students of class X. The instruments used included content and media validation sheets. The validation results showed that the teaching module was in the very valid category, with a percentage of 93% in the content aspect and 93.66% in the media aspect. Thus, google sites' integrated problem-based learning teaching module is suitable for use as a biology learning tool, because it is able to provide interactive, accessible learning, and support the improvement of students' problem-solving skills in a contextual and interesting manner.
Struktur Komunitas Plankton di Pantai Tanjung Bastian Timor Tengah Utara Priyambodo, Hernur Yoga; Santiari, Made
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.v5i4.743

Abstract

Tanjung Bastian Beach is one of the coastal areas in North Central Timor Regency where plankton research has never been conducted. Plankton data is essential for formulating sustainable coastal management strategies. The purpose of this study was to determine the plankton community structure and the physicochemical parameters of the waters at Tanjung Bastian Beach. This study employed a quantitative descriptive design. There were three research stations consisting of a mangrove ecosystem and a coastal ecosystem. Plankton was collected using a 20 μm plankton net, and the physicochemical parameters were measured using a water quality tester. The results showed that Grammatophora sp., Synedra sp1., Synedra sp2., Cyclops sp1., Cyclops sp2., and Nauplius sp. were found at all stations. The abundance of phytoplankton and zooplankton indicated that the three stations were classified as oligotrophic to eutrophic waters. The phytoplankton diversity index value ranged from 1.91 to 2.10, indicating moderate water pollution or moderate community stability. The zooplankton diversity index ranged from 0.96 to 0.99, indicating an unstable biota community or severely polluted water quality. However, at station 3, the index was 1.08, indicating moderate biota community stability or moderately polluted water quality. The phytoplankton and zooplankton evenness index ranged from 0.87 to 0.98, indicating high uniformity with a stable community. A dominance index value <0.5 indicates no dominant species. Physicochemical parameters support plankton life.
Pengembangan Media Crossword Puzzle Berbasis Puzzle Maker sebagai Alat Evaluasi Siswa pada Materi Perubahan dan Pelestarian Lingkungan Zakaria, Firda; Dama, Lilan; Hamidun, Marini Susanti; Nusantari, Elya; Husain, Ilyas H.
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.v5i4.745

Abstract

This study aims to develop a Crossword Puzzle learning media based on the Puzzle Maker application as an evaluation tool for environmental change and conservation material in class X MAN 1 Boalemo. The background of this study is based on the low level of student involvement in biology learning which is still dominated by conventional methods, so that students have difficulty understanding abstract concepts. The research method used is Research and Development (R&D) with the Plomp development model which includes three stages, namely preliminary research, prototyping phase, and assessment phase. The subjects of this study were 22 students of class X MAN 1 Boalemo, and one biology teacher. The instruments used included expert validation questionnaires, student response questionnaires, teacher response questionnaires, and observation sheets for learning implementation. The results showed that the validity of the media was in the very valid category, with an assessment from material experts of 86% and a media expert of 96%. The practicality of the media was also assessed as very good based on the learning implementation reaching 93-95%, student responses with a percentage of 85%, and teacher responses of 93%. Thus, the Puzzle Maker-based Crossword Puzzle media is declared feasible and practical to use as an evaluation tool, and has the potential to increase student involvement in biology learning.
Pengembangan Poster Anatomi Tubuh Manusia Berbantuan Augmented Reality (AR) pada Materi Sistem Endokrin Manusia bagi Peserta Didik di SMA Negeri 1 Suwawa Mangge, Aditya Z.; Mardin, Herinda; Akbar, Muh. Nur; Latjompoh, Masra; Solang, Margaretha
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.v5i4.748

Abstract

This study aims to determine the level of validity and practicality of human anatomy posters assisted by Augmented Reality (AR) on the human endocrine system material for students at SMA Negeri 1 Suwawa. This study is a type of research and development (R&D) with the ADDIE model, which includes three stages: Analyze, Design, and Develop. Data collection instruments consist of validation sheets from media experts and material experts, as well as teacher and student response questionnaires. The results of the study indicate that the developed learning media obtained a validity percentage from media experts of 93% with a very valid category, while from material experts it was 62.22% with a valid category. The practicality test showed a teacher response of 100% and a student response of 90%, both of which are included in the very practical category. These findings indicate that AR-assisted human anatomy poster media is suitable for use in biology learning, because it is able to facilitate students in understanding the concept of endocrine system anatomy visually and interactively. The implication of this research is that AR-based media can be an innovative alternative for biology teachers in developing 21st-century learning that emphasizes visualization, interactivity, and students' conceptual understanding.

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