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INDONESIA
BIO-EDU: Jurnal Pendidikan Biologi
Published by Universitas Timor
ISSN : -     EISSN : 25276999     DOI : -
Core Subject : Education, Social,
Education Social Sciences
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Articles 175 Documents
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Analysis of Lead Metal Levels in Vaname Shrimp (Litopenaus vannamei) in the Coastal Area of ​​Pekalongan : Analisis Kadar Logam Timbal Pada Udang Vaname (Litopenaeus vannamei) Di Wilayah Pesisir Pekalongan Naila Izza Sabila; Achmad Vandian Nur; Khusna Santika Rahmasari; Eko Mugiyanto
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 1 (2025): BIO-EDU: Jurnal Pendidikan Biologi - April 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i1.7953

Abstract

Vannamei shrimp is one of the fishery commodities with high economic potential, but vulnerable to heavy metal contamination due to environmental pollution. This study aims to analyze the content of heavy metal lead (Pb) in vannamei shrimp (Litopenaeus vannamei) in Pekalongan coastal area. Atomic Absorption Spectrophotometry (SSA) method was used to analyze Pb levels in shrimp samples with age variations of 40, 50, 60, and 70 days. The results showed that lead levels in all shrimp samples exceeded the threshold set by BPOM RI, which is 0.5 mg/Kg. The highest Pb level was found in 70-day-old shrimp with a concentration of 10.57 mg/Kg, while the lowest level was in 40-day-old shrimp at 3.40 mg/Kg. These results indicate the potential dangers of consuming vaname shrimp exposed to heavy metals for human health, so that mitigation measures against heavy metal pollution in the region are needed.
Utilization of Plants as Natural Dyes for Ikat Woven Clothes of The Kemak Tribe In Dualaus Village, Kakuluk Mesak District, Belu Regency: Pemanfaatan Tumbuhan sebagai Pewarna Alami Kain Tenun Ikat Desa Dualaus Kabupaten Belu Naisumu, Yolanda Getrudis; Nascimento, Cidalia Pires Do
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 1 (2025): BIO-EDU: Jurnal Pendidikan Biologi - April 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i1.8076

Abstract

Indonesia is a country with high biodiversity. High biodiversity has great potential in providing raw materials from nature and has abundant natural resources. The purpose of this study was to determine the types of plants used as natural dyes for the Kemak Tribe's ikat woven fabrics in Dualaus Village, Kakuluk Mesak District, Belu Regency. This research was conducted in Dualaus Village, Kakuluk Mesak District, Belu Regency from March to July 2024. This study used qualitative and quantitative descriptive research methods. Based on the results of interviews in Dualaus Village, Kakuluk Mesak District, Belu Regency, data was obtained that there are 11 types of plants used by the community in the process of dyeing ikat woven fabrics, including soga (Peltophorum pterocarpum) katuk (Souropus androgynus), tarum (Indigofera tinctoria L.), ketapang (Terminalia catappa) kusambi (Schleichera oleosa), butterfly flower (Oxalis triangulalis), kudo (Lannen coromandelica), and mahogany (Swietenis mahagoni). turmeric (curcuma domestica L.) beluntas plant (Pluchea indica L.), hibiscus (Hibiscus rosa-sinensis L.). The parts of the plant used are bark, leaves, flowers and rhizomes. The parts of the plants taken are processed traditionally in 2 ways, namely boiled and pounded, the colors produced are soga, tarum and katuk produce black, ketapang produces dark brown, kusambi produces cream, butterfly flowers produce light cream, kudo produces caramel brown, mahogany produces light brown, soga and turmeric rhizomes produce yellowish brown, beluntas leaves produce dark cream, hibiscus produces greenish cream, turmeric and beluntas rhizomes produce brownish yellow, turmeric rhizomes produce yellow. The conclusion is that there are 11 types of plants used in Dualau Village and the parts used to produce color are bark, leaves, flowers and rhizomes.
A Botanical Inventory of Tropical Flowering Plants in Curug Lawe Waterfall, Semarang, Central Java: Inventarisasi Botani Tumbuhan Berbunga Tropis di Air Terjun Curug Lawe, Semarang, Jawa Tengah Nofitasari, Titin Ayuk; Maharani, Riztiyana; Nafisah, Kharirotun; Prasastri, Ratri; Kusumarini, Niken
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 1 (2025): BIO-EDU: Jurnal Pendidikan Biologi - April 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i1.8099

Abstract

Indonesia is one of the countries located on the equator and has a tropical climate. Due to this climate, Indonesia has a high level of flora and fauna. One of them is the diversity of tropical flowers and plants. One of the most diverse tropical flower habitats in Indonesia is Curug Lawe in Semarang Regency, Central Java. This study aims to determine the diversity of tropical flowering plants in the Curug Lawe waterfall area, Semarang Regency. The method used in this study is descriptive exploratory with a qualitative approach. The results of observations of tropical flowering plants in the Curug Lawe area obtained 17 families of Asteraceae, Heliconiaceae, Iridaceae, Commelinaceae, Araceae, Balsaminaceae, Costaceae, Verbenaceae, Gesneriaceae, Lamiaceae, Lythraceae, Amaranthaceae, Proteaceae, Rubiaceae, Malvaceae, Oxalidaceae, and Rosaceae. These results show the high diversity of tropical flowers in the Curug Lawe area because it has supportive environmental conditions. Tropical flowering plants have various benefits, including being used as medicines, ornamental plants, as cooking ingredients, anticancer, antioxidant, antibacterial, anti-inflammatory, antimicrobial, as insecticides, and industrial oils.
Development of HOTS-Based Ecosystem and Environmental Change Material Test Instruments with the Help of Google Forms: Pengembangan Instrumen Tes Materi Ekosistem dan Perubahan Lingkungan Berbasis HOTS Dengan Bantuan Google Formulir sheila, mamtha
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 1 (2025): BIO-EDU: Jurnal Pendidikan Biologi - April 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i1.8139

Abstract

Penelitian ini bertujuan untuk mengetahui kelayakan dan mengetahui hasil uji coba dari pengembangan instrumen tes materi ekosistem dan perubahan lingkungan berbasis HOTS dengan bantuan google formulir. Penelitian ini menggunakan model Research and Development tipe formative research (Tesmer 1993). Prosedur penelitian pengembangan ini terdiri dari tiga tahapan yaitu: Self Evaluation, Prototyping dan Field Test. Subjek uji coba produk yaitu 31 siswa kelas X SMAN 4 Blitar. Instrumen pengumpulan data yang digunakan meliputi angket validasi ahli dan hasil pengerjaan instrumen tes oleh siswa. Hasil penelitian pengembangan menunjukkan bahwa instrumen tersebut layak untuk digunakan karena sudah memenuhi kriteria validitas, reliabilitas, daya pembeda, tingkat kesukaran, dan kualitas pengecoh suatu instrumen tes yang baik. Hasil uji coba (field test) diketahui bahwa instrumen tes tersebut sudah berfungsi dengan baik dalam mengukur kemampuan berpikir tingkat tinggi siswa berdasarkan taksonomi bloom (C4, C5, dan C6).
Short Note: The distribution of Trichaleurina javanica in Central Kalimantan (Indonesia) and its Ethnomycology: Catatan Singkat: Distribusi Trichaleurina javanica di Kalimantan Tengah (Indonesia) dan Etnomikologinya Putra, Ivan; Gloris, Hari
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 1 (2025): BIO-EDU: Jurnal Pendidikan Biologi - April 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i1.8234

Abstract

The genus Trichaleurina is a member of Pezizales, which was previously rarely reported from Indonesia. Trichaleurina was first reported by Boedjin in 1932 and 1959 but still used the name Galiella javanica and Galiella celebica. Trichaleurina is closely related to Galiella, Sarcosoma, and Bulgaria. In Indonesia, the first report on T. javanica from West Java in 2020. In the following year, information about the distribution of Trichaleurina was reported from Central Kalimantan (Indonesia). The current study aimed to describe the specimens from Central Kalimantan based on morphological data and record the ethnomycological use by the local people. Fresh materials were used to describe the morphological features. The macrofungi lived on dead wood in solitarily manner, fruiting body round to oval, conical at the bottom, dark brown that gets darker at the base, ascus 8-spored, cylindrical in shape, spores 25-26 × 9-10μm, thick walled. Our specimen was identical to those reported from Bogor (West Java). Trichaleurina javanica is used as food in the daily life of the Dayak Maanyan Tribe in Tamiang Terbang, Central Kalimantan, Indonesia. They usually consumed this macrofungi as local soup. This information adds to the record of the diversity and potency of macrofungi in Indonesia.
Manifestation of Leaf Phenotype Character Diversity in Population Genetics Studies of Robusta Coffee (Coffea canephora) in the Gunung Betung Valley Titik Bogorejo Pesawaran Lampung: Manifestasi Keragaman Karakter Fenotipe Daun dalam Kajian Genetika Populasi Kopi Robusta (Coffea canephora) di Lembah Gunung Betung Titik Bogorejo Pesawaran Lampung Winarno, Winarno; Priyambodo, Priyambodo; Rustiati, Elly Lestari; Lestari, Septi Wahyu; Sandra, Shifa; Thesalonika, Natasya; Ashari, Minanti Mayda; Andriyani, Yuliana; Maharani, Annisa Lidya; Afandi, Aril; Febriansyah, Muhammad; Pratiwi, Dian Neli; Permatasari, Nindy; Suhada, Suhada
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 1 (2025): BIO-EDU: Jurnal Pendidikan Biologi - April 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i1.8309

Abstract

Robusta coffee (Coffea canephora) genetic diversity is very important for breeding programmes aimed at increasing yield and adaptability. This diversity can be assessed through various morphological characters, especially leaf phenotype characters, which serve as indicators of genetic variation. This research was conducted from May to August 2024. Data collection was carried out by purposive sampling using the exploration and characterisation method of 30 coffee plants in the Traditional Coffee Plantation area, Bogorejo Village, Gedong Tataan District, Pesawaran Regency, Lampung Province. Qualitative character data collection was carried out modifying IPGRI descriptors. Based on the data obtained, there were no significant differences in qualitative characteristics and quantitative characteristics of leaves on 30 coffee plants. This indicates a low genetic diversity in the plantation.
Inhibitory Power Test of Secondary Metabolite Extract of Lactic Acid Bacteria Pediococcus pentosaceus against Staphyloccus aureus and Pseudomonas aeruginosa Bacteria: Uji Daya Hambat Ekstrak Metabolit Sekunder Bakteri Asam Laktat Pediococcus pentosaceus terhadap Bakteri Staphyloccus aureus dan Pseudomonas aeruginosa Manalu, Adelya Irawan
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 1 (2025): BIO-EDU: Jurnal Pendidikan Biologi - April 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i1.8389

Abstract

Bakteri Asam Laktat (BAL) merupakan sekelompok bakteri Gram positif yang menghasilkan asam laktat sebagai produk akhir metabolisme. Ciri-ciri BAL umumnya berbentuk kokus atau batang, tidak memiliki spora dan bersifat anaerob atau fakultatif anaerob. Selama pertumbuhannya, BAL dapat memproduksi komponen metabolit sekunder, seperti asam organik, hidrogen peroksida (H2O2), asam lemak hidroksil, diasetil, reutrin, dan senyawa protein. Metabolit sekunder adalah suatu molekul yang dihasilkan dari proses metabolisme sekunder oleh mikroba dimana produk metabolit tersebut bukan merupakan kebutuhan pokok mikroba untuk hidup dan tumbuh, namun berfungsi sebagai nutrisi darurat untuk bertahan hidup. Penelitian ini bertujuan untuk Untuk mengetahui kemampuan daya hambat ekstrak bakteri Pediococcus pentosaceus terhadap bakteri Staphylococcuc aureus dan Psedomonas aeruginosa dan Untuk mengetahui senyawa-senyawa metabolit sekunder bakteri Pediococcus pentosaceus. Penelitian ini diawali dengan peremajaan bakteri Pediococcus pentosaceus, ekstraksi metabolit sekunder, uji fitokimia dan uji daya hambat. Hasil penelitian uji fitokimia terpenoid, alkaloid dan steroid memilki hasil positif sedangkan saponin memiliki hasil negatif. Dan pada uji daya hambat bakteri S. aureus konsentrasi 100 ppm memilki daya hambat sebesar 22 mm, 250 ppm daya hambat 24 mm, 500 ppm daya hambat 28 mm dan 750 ppm daya hambat 25 mm. dan pada bakteri P. aeruginosa konsentrasi 100 ppm memilki daya hambat 21 mm, 250 ppm daya hambat 23 mm, 500 ppm daya hambat 26 mm dan 750 ppm daya hambat 25 mm. Uji daya hambat paling besar terhadap bakteri S.aureus yaitu pada konsentrasi 500 ppm dengan daya hambatnya sebesar 28 mm. Berdasarkan hasil penelitian disimpulkan bahwa ekstrak metabolit sekunder bakteri asam laktat Pediococcus pentosaceus menghasilkan senyawa aktif alkaloid, terpenoid dan steroid yang dapat menghambat pertumbuhan bakteri patogen Staphylococcus aureus dan Pseudomonas aeruginosa.
The Practicality of Local Potential-Based Booklets as Enrichment Materials for the Concept of Biodiversity in High Schools: Kepraktisan Booklet Berbasis Potensi Lokal sebagai Bahan Pengayaan Konsep Keanekaragaman Hayati di SMA Erna; Mahrudin; Iriyanti, Riya
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 2 (2025): BIO-EDU: Jurnal Pendidikan Biologi - August 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i2.7781

Abstract

Twenty one century education requires educators to have innovative and creative skills in developing teaching materials to support the achievement of learning objectives. One of the teaching materials that can be developed is a booklet. Booklets include printed teaching materials that have the advantage of not requiring an internet connection in accessing them, presenting colorful content, attractive images or illustrations. Booklet development can contain plant diversity material based on local potential, like Moraceae family. Moraceae plants are often encountered by students in their daily lives. Booklet development involves product feasibility testing, one of which is validity. This study aims to describe the validity of the developed booklet. This development research (R&D) uses the Plomp model which consists of 5 stages. The booklet validity test results obtained a score of 91.40% (very valid). The test results show that the developed booklet is ready to be implemented as an enrichment material for the concept of biodiversity because it has fulfilled 12 aspects of the validity of teaching materials and has been revised so that it has good quality. The material in the booklet is designed to adjust the competence of students, the demands of the curriculum, and based on scientific principles.
Validity of Enrichment Materials for the Mangifera Genus Inventory Booklet for the Biodiversity Concept in High School: Validitas Bahan Pengayaan Booklet Inventarisasi genus Mangifera Konsep Keanekaragaman Hayati di SMA Zakiah, Nur; Mahrudin; Iriyanti, Riya
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 2 (2025): BIO-EDU: Jurnal Pendidikan Biologi - August 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i2.7782

Abstract

Learning in the current era is learner centered, requiring teachers to prepare extensive knowledge and insight in learning so that it is easy to achieve learning objectives, namely by preparing enrichment materials that are in accordance with the times, such as Booklet. Booklet design with many interesting and colorful images, as well as with brief information, can be used as a means of increasing understanding of a material, especially on biodiversity material in high school. Inventorying the Mangifera genus is one of the information related to local potential that can be used in learning, for example the Mangifera genus in Sungai Landas Village. This study aims to describe the validity of Booklet enrichment materials. This type of research is the development (R & D) of Booklet using the Plomp model with 5 phases. The results showed that the validation test by 2 lecturers from Biology Education FKIP ULM Banjarmasin, and 1 biology teacher SMAN 1 Karang Intan Booklet overall the results of the category were very valid with a score of 90.70%.
Identification of Factors Causing Student Misconceptions Using Five-Tier in the Material Exploring Cells for Grade XI: Identifikasi Faktor Penyebab Miskonsepsi Siswa dengan Menggunakan Five-Tier pada Materi Menjelajah Sel Kelas XI Habsari, Khusna Yurdhika; Sumarno; Rahayu, Praptining
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 2 (2025): BIO-EDU: Jurnal Pendidikan Biologi - August 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i2.7787

Abstract

Misconception is one of the problems that is often found in the learning process, this is because of the discrepancy between the concepts that students have with the actual concept. Misconceptions that continue to occur without realizing it will cause students difficulty in receiving learning. This study aims to identify the factors that cause misconceptions that occur in students using the Five-Tier test and questionnaire. The population in this study were students of grade XI of SMA Negeri 1 Jakenan. The sample in the study were students of class XI-10 SMA Negeri 1 Jakenan. The sampling technique used was purposive sampling. The data collection method used a five-tier question instrument to measure misconceptions in students and their sources and a questionnaire instrument was used to find out the causes of misconceptions in students. The results showed that 21.76% of students had misconceptions. Based on the results of research using a five-tier question, the sources of information used by students in answering the questions were highest from personal thoughts of 80.38%, teachers 0.48%, internet 8.92, friends 17.94%, and books 5.61%. The results obtained from the question are directly proportional to the results of the causes of misconceptions using questionnaire instruments, based on questionnaire data, the percentage of causes of misconceptions is 61.11% from students, 15.56% from teachers, 40.56% from the internet, 45% from friends, and 25% from books.

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