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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 1,428 Documents
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Dominansi Spesies Tumbuhan Lamun di Perairan Pantai Sejuk Kabupaten Lombok Utara Subagio Subagio
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 2 (2020): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i2.3266

Abstract

Seagrass is a monocotyle plant from the Angiosperms class, which has an important role for marine biota. Seagrass can be said to be a source of life for marine life because it can be a source of food, shelter, and breeding for marine animals. In Pantai Sejuk Waters, North Lombok Regency, there are several species of seagrass that lie along the coast and in shallow sea waters. This study aims to determine the dominance of seagrass in Sejuk Beach Waters, North Lombok Regency. This type of research is a descriptive exploratory research. Sampling using purposive sampling method, by making 3 stations in which there are 3 transects and 4 plots on each transect. Based on the results of the study, 4 species of seagrass were obtained in Sejuk Beach Waters, North Lombok Regency, namely: Cymodocea rotundata as many as 1993 species, Enhalus acoroides with 35 species, Syringodium isoetifolium as many as 2065 species, and Halophila minor as many as 61 species. From the data on the number of species found, it is known that the dominant seagrass with a dominance index value of 0.497 is the Syringodium isoetifolium species. Subsequently, the Cymodocea rotundata species with a dominance index value of 0.479, followed by Halophila minor with a dominance index value of 0.0146, and Enhalus acoroides with a dominance index value of 0.0084.
PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE STAD DISERTAI MEDIA GAMBAR TERHADAP KETERAMPILAN PROSES SAINS DASAR DAN HASIL BELAJAR BIOLOGI SISWA KELAS VII MTs AL-RAISIYAH SEKARBELA Oki Prayoky; Baiq Mirawati
Bioscientist : Jurnal Ilmiah Biologi Vol 2, No 1 (2014): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v2i1.1307

Abstract

This study aims to determine the effect of STAD type cooperative learning model along with the image media to the basic science process skills and biology learning outcomes of students of class VII MTs Al-Raisiyah Sekarbela. The type of research used is quasi experimental research (quasi experiment). The population in this research is all students of class VII MTs Al-Raisiyah Sekarbela. The sample used in this study were students of class VIIB totaling 22 people as an experimental class and students of class VIIA which amounted to 22 people as a control class. Sampling in this research using purposive sample technique. The data of the basic science process of the students was analyzed using descriptive statistics. The results showed 85% of experimental class students have basic science process skills with very good category, 75% others with good category. While in the control class, 71% of students had basic science process skills with good category, 57% others with less good category. Data of learning result in this research is taken by giving the initial test and final test to the sample class student. Data collection techniques use objective tests that have been tested for validity and reliability. Data analysis technique using t-test test formula. The result of the final test showed that the average of experiment class is 73,22 and control class is 71,45. The result of data analysis shows thitung equal to 3,72 and ttable 2,021. Obtained thitung > ttable at 5% significance level and degrees of freedom of 44, so that Ha accepted or no influence STAD type cooperative learning model along with the media images of student learning outcomes. The conclusion in this research is that there is influence of STAD type cooperative learning model along with the picture media to basic science process skill and biology learning result of grade VII student of MTs Al-Raisiyah Sekarbela.
IMPLEMENTASI PERANGKAT PEMBELAJARAN BIOLOGI BERORIENTASI INQUIRY UNTUK MENINGKATKAN KREATIVITAS SISWA Masiah Masiah
Bioscientist : Jurnal Ilmiah Biologi Vol 7, No 2 (2019): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v7i2.2373

Abstract

The purpose of this study is to see the practicality and effectiveness of the learning tools that have been developed so as to enhance students' creative ideas. This type of research is pre-experimental research design with one group pre-test village post-test. The instrument in this study was the observation sheet of the implementation of learning, student questionnaire responses and tests of creative thinking skills. The data obtained were analyzed descriptively quantitatively. The results showed that students' responses to the learning process by using inquiry-oriented learning tools in general students felt interested and the results of thinking ability tests showed a classical completion. Based on these results it can be concluded that the implementation of inquiry-oriented learning tools can be declared practical and effective to improve students' creative ideas.
Pengaruh Problem Based Writing with Peer Review (PW-PR) terhadap Kemampuan Berpikir Kritis Siswa pada Konsep Pencemaran Lingkungan Zulhia Usna Prihatin; I Wayan Karmana; Titi Laily Hajiriah
Bioscientist : Jurnal Ilmiah Biologi Vol 9, No 1 (2021): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v9i1.3746

Abstract

The purpose of this study was to determine how the effect of Problem Based Writing with Peer Review (PW-PR) on students' critical thinking skills. This type of research is quasi-experimental. The population in this study were students of class X SMAN 1 Praya Timur, Central Lombok Regency, with a total of 24 students. Sampling was done by purposive sampling, ie classes were taken based on a specific purpose. The data analysis technique used is the N-Gain index formula. Based on the results of the pretest and posttest data analysis showed that, there was a significant increase from the N-Gain index of 0.36 to the N-Gain index of 0.44. The standard N-Gain index is 0.7 smaller than the research N-Gain index (0.7 < 0.44). Because the N-Gain index of the research results is smaller than the standard N-Gain index and the results are positive so that it is categorized as moderate, it can be concluded that there is an effect of Problem Based Writing with Peer Review (PW-PR) on students' critical thinking skills.
Analisis Potensi Kandungan Tanaman Obat untuk Menunjang Kesehatan Santri Husnul Jannah; Masiah Masiah
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 2 (2020): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i2.3158

Abstract

Research on the potential analysis of medicinal plant content has been carried out to support the health of students at the Nurul Islam Sekarbela Islamic Boarding School, Mataram City. Primary data collection is carried out by involving the community through interviews with local community groups and individual community members. The selection criteria were based on the informants' abilities and traditional medical practices. In data collection, the interview technique used was "open ended". This data collection technique is also used to explore knowledge systems regarding the diversity of types of traditional medicinal plants, management methods, their use, and community interest in medicinal plants using medicinal plants. Then it is enriched through secondary data in research, namely books / literature related to health, medicinal plants, journals, and other readings related to research. Based on the results of the interview, the names of medicinal plants commonly used in the community are obtained, including: Shallots (Allium cepa var. Aggregatum), Betel (Piper betle L.), Ginger (Zingiber officinale), Jatropha leaves (Jatropha curcas L. ), Guava (Psidium guajava linn), Turi leaves (Sesbania grandiflora), Lime (Citrus aurantifolia s), Katuk leaves (Sauropus androgynous), Banten (Lannea coromandelica), Kencur (Kaempferia galangal), Lengkuas (Alpinia galangal), Cat whiskers (Orthosiphon aristatus), horse whip (Stachytarpheta jamaicensis L.), Aloe vera (Aloe vera L), Yellow pumpkin (Cucurbita moschata), Papaya (Carica papaya L.), Wuluh starfruit (Averrhoa bilimbi), Cinnamon (Cinnamomum burmanii), Temulawak (Curcuma xanthorrhiza), Celery (Apium graveolens), soursop leaves (Annona muricata Linn), and lemongrass (Chymbopogon nardus L.). After analyzing the potential content of medicinal plants from journals, books, and other references related to medicinal plants, it was found that medicinal plants that can treat upper respiratory tract infections are turi leaves (Sesbania grandiflora) and shallots (Allium cepa var. Aggregatum). Medicinal plants that have the potential to treat skin diseases are lemongrass (Cymbopogon nardus L), Jatropha curcas L), Aloe vera (Aloe vera L.), and cinnamon (Cinnamomi burmannii Blume). Medicinal plants that have the potential to increase the body's immune system include: cat whiskers (Orthosiphon aristatus), Betel (Piper betle L.), lime (Citrus aurantifolia s), Temulawak (Curcuma xanthorrhiza), galangal (Alpinia galangal), and kencur (Kaempferia galangal). ). Medicinal plants that have the potential to treat digestive disorders are: Ginger (Zingiber officinale Rosc.) And soursop leaves (Annona muricata Linn). Meanwhile, medicinal plants that have the potential to treat oral diseases are: celery (Apium graveolens L.), papaya leaves (Carica papaya L.), and Betel (Piper betle L.).
Validitas Lembar Kerja Siswa (LKS) Biologi Berbasis Pembelajaran Guided Inquiry Nofayukisari Nofayukisari; Baiq Muli Harisanti; Ida Royani
Bioscientist : Jurnal Ilmiah Biologi Vol 9, No 1 (2021): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v9i1.3760

Abstract

The existing worksheets (LKS) are generally less attractive, the images in the worksheets are less clear and colorless, no source of images are listed, the worksheets have not used a complete LKS format, such as instructions for using good worksheets for teachers as well as the students and the student worksheets used were not arranged neatly and systematically. The use of learning methods that are not quite right. Therefore it is necessary to have teaching materials related to the 2013 curriculum, one of which is teaching materials that have the guided inquiry learning method. It was drafted a student worksheet based on guided inquiry learning. This study validates the guided inquiry learning based biology student worksheet on the material of life organization systems. This study aims to determine the validity of biology student worksheets based on guided inquiry learning. The method used in this research is development (Research and Development). The design of development research is carried out through several stages that have been modified according to the needs of the researcher, namely: the definition stage (Define), the design stage (Design), and the development stage (Develop). At the defining stage, conducting a needs analysis, the design stage carried out the preparation of worksheets, and the development stage carried out expert validation. The instrument used in this study was a validation sheet. The data collection technique in this research is validation. The data analysis technique in this research is descriptive qualitative. The results showed that the validity of biology student worksheets based on guided inquiry learning was valid. The resulting worksheets are feasible for use with a validity level of 2.96. Thus, It can be concluded that the student worksheet is valid and suitable for use as teaching material.
Pengembangan Handout Berbasis Penelitian Uji Daya Antibakteri Ekstrak Daun dan Kulit Batang Mahoni (Swietenia mahagoni) Mashuri Saputra; Utami Sri Hastuti; Abdul Gofur
Bioscientist : Jurnal Ilmiah Biologi Vol 8, No 2 (2020): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v8i2.2762

Abstract

The purpose of this study was to develop a handout based on the results of research on the antibacterial power of mahogany leaf and bark extract (Swietenia mahagoni). This research is a development research which refers to the ADDIE development model which consists of five stages, namely analyzing, designing, developing, implementing, and evaluating. The research object was students of the Biology Education Study Program, FSTT, Mandalika University of Education who had taken the Microbiology course. Handouts were validated by material expert validators, media experts, and a readability test to assess the practicality of handouts was carried out by students of the Biology Education Study Program, FSTT, Mandalika University of Education. The data were collected through a questionnaire and analyzed qualitatively and quantitatively. The percentage of results from the validation of experts in microbiology material was 97.61%, the validation of the instructional media experts was 97.72%, and the readability test by students was 91.79%. The results showed that handouts based on the results of research on the antibacterial power of mahogany leaf and bark extracts were very valid and suitable for use as teaching materials.
Estimasi Simpanan Karbon dan Status Kesehatan Padang Lamun di Pulau Kelapa Kabupaten Bima Isnaini Marliana; Hilman Ahyadi; Dining Aidil Candri; Immy Suci Rohyani; Sukmaraharja Aulia Rachman Tarigan; Pardede Shinta Trilestari; Sebastian Aviandhika; Sri Puji Astuti
Bioscientist : Jurnal Ilmiah Biologi Vol 9, No 1 (2021): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v9i1.3542

Abstract

The seagrass community are angiosperm plant communities that mostly grow in shallow marine waters. The community has an ecological role and function, both as a habitat for various types of biota and as a carbon sink. The purpose of this study was to determine the type and condition of the seagrass ecosystem in Kelapa Island based on the percentage of cover; and to determine the estimated carbon stocks of seagrasses contained. Seagrass community data collection was carried out in September-October 2020 in the waters of Kelapa Island, Bima Regency, West Nusa Tenggara Province. A quadratic transect was used for data collection of seagrass cover, and analysis of seagrass community cover using the PhotoQuad application, followed by determining the condition of the seagrass community ecosystem, and analysis of estimated carbon storage using the Loss On Ignition (LOI) method. The results showed that there were 4 types of seagrass found, consisting of: Thalassia hemprichii, Halophila ovalis, Cymodocea rotundata, and Halodule pinifolia. The percentage of seagrass cover is 52.31%, because it is less than 60%, the health status of seagrass beds is unhealthy based on the Decree of the Minister of the Environment Number 200 of 2004. Total carbon storage is 16.1 gr.Cm-2. Thalassia hemprichii as the highest carbon storage species was 8.27 gr.Cm-2.
Populasi Kepiting Bakau (Scylla serrata) di Perairan Muara Sungai Barumun Kabupaten Labuhanbatu Ditinjau dari Pola Pertumbuhan dan Faktor Kondisi Indah Pratiwi; Rivo Hasper Dimenta
Bioscientist : Jurnal Ilmiah Biologi Vol 9, No 1 (2021): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v9i1.3749

Abstract

Mangrove crab (Scylla serrata) is one of the prima donna sources of protein caught by fishermen around mangrove forest waters in the waters of the Barumun River Estuary, Labuhanbatu Regency. This study aims to inform about condition factors, growth patterns of crab populations, and reproductive aspects in the form of abundance of Gonad Maturity Level (TKG). Determination of 3 sampling points is done by using purposive random sampling method. Scylla serrata sampling was carried out using Bubu. Data analysis presents information on the abundance of gonadal maturity level, growth pattern, and Fulton condition factor (K), which is presented quantitatively. The results showed that male and female Scylla serrata growth patterns were categorized as negative allometric b < 3, with carapace width growth being faster than weight gain. Fulton condition factor (K) values obtained ranged from 50.14-132.75 for male Scylla serrata, and female ranged from 80.34-123.94. The gonadal maturity level of Scylla serrata was dominated by TKG II crabs, and the lowest abundance of gonad maturity was in TKG IV crabs. This indicates that, in December-February, the condition of the Scylla serrata population around the mangrove forest waters of the Barumun river estuary, is predicted to be in the stage of adult dominance that is ready to reproduce and prepare to spawn.
Induksi Keragaman Genetik pada Tanaman Alocasia Menggunakan Mutagen Kimia Kolkisin Fitri Damayanti; Zakiah Fithah A’ini
Bioscientist : Jurnal Ilmiah Biologi Vol 9, No 1 (2021): June
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v9i1.3753

Abstract

Alocasia green velvet (neon taro) is one of the ornamental plants that plant lovers hunt. The increasing standard of living and interest in beauty and uniqueness, the demand for this plant has increased. This provides an opportunity for ornamental plant farmers to develop the potential of Alocasia. Genetic diversity in Alocasia is very low because generally these plants are propagated such as vegetative. Therefore, it is necessary to increase genetic diversity so that new types of Alocasia are produced with more attractive leaf shapes, sizes, and coloration. Efforts that can be applied are mutation induction using a chemical mutagen, namely colchicine. The plant material was used that the tuber of the Alocasia plant. The study was conducted using a randomized block design with two factors, the colchicine concentration (0, 10, 15, 20, 25, and 30 mgL-1) and the immersion time (1 and 2 days). The 30 mgL-1 colchicine treatment gave better growth: producing the highest number of leaves, the longest root length, the highest number of shoots and the percentage of sprouting tubers that reached 100%. Colchicine treatment of 10 mgL-1 with immersion time of 1 day resulted in a different leaf shape. Colchicine treatments of 10, 15, 20, and 25 mgL-1 produced plants with younger leaf coloration than the control.  As well as the 30 mgL-1 colchicine treatment produced vigorous plants with larger stem sizes.

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