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Hj. Musdalifah Nurdin
Program Studi Pendidikan Biologi, Fakultas Keguruan Dan Ilmu Pendidikan Universitas Tadulako, Palu, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Mathematics Physics Public Health Social Sciences Other

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Enhacing Student’s Motivation through Snowball Throwing Model in Science Education Janah, Nidya Khusni Fatul; Nurdin, Musdalifah; Suwito, Suwito
Equator Science Journal Vol. 3 No. 3 (2025): (Online First) Equator Science Journal (ESJ)
Publisher : CV. Dharma Samakta Edukhatulistiwa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61142/esj.v3i3.258

Abstract

This Classroom Action Research (CAR) aims to enhance students’ learning motivation through the implementation of the Snowball Throwing learning model. The study was conducted at SMAN 1 Palu with 35 students of class XI MIPA 6 as the research subjects. The CAR was carried out in three phases: pre-action, Cycle I, and Cycle II. Data were collected through observation and a learning motivation questionnaire. The findings revealed that students’ learning motivation in the pre-action phase was categorized as “fair” with a percentage of 54%. After the implementation of the Snowball Throwing model in Cycle I, students’ motivation increased to 72% (“high” category), and in Cycle II it further improved to 87% (“very high” category). These results indicate that the Snowball Throwing model is effective in improving students’ learning motivation, as it actively engages them in discussion and collaborative activities, making the learning process more interactive and enjoyable. The implication of this study is that teachers may employ the Snowball Throwing model as an alternative instructional strategy in Biology learning to foster students’ learning motivation.
Analisis Proksimat Umbut Rotan Noko (Daemonorops Robusta) Nasria, Nasria; Tanra Tellu, Andi; Nurdin, Musdalifah
Jurnal Inovasi Global Vol. 2 No. 3 (2024): Jurnal Inovasi Global
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jig.v2i3.73

Abstract

Umbut rotan (rotan muda) merupakan salah satu bahan pangan (sayur dan lalapan) yang populer dari beberapa daerah. Di Desa Sibado, Kecamatan Sirenja, umbut rotan noko (Daemonorops robusta) menjadi bagian penting dalam pola konsumsi masyarakat lokal. Namun, informasi yang terbatas mengenai kandungan gizi umbut rotan tersebut membuat pentingnya penelitian untuk mengevaluasi nilai gizinya. Oleh karena itu, penelitian ini bertujuan untuk mengetahui kandungan gizi, yakni kadar karbohidrat, kadar lemak, kadar protein, kadar air, dan kadar abu pada umbut rotan noko di wilayah tersebut. Metode penelitian yang digunakan adalah deskriptif kuantitatif dengan melakukan analisis proksimat. Uji kadar lemak menggunakan metode Soxhlet, uji kadar protein menggunakan metode spektrofotometri, uji kadar air menggunakan metode termogravimetri, uji kadar abu menggunakan metode dry ashing, dan uji kadar karbohidrat menggunakan metode perbedaan. Hasil penelitian menunjukkan bahwa rata-rata kadar lemak sebesar 0,332%, kadar protein sebesar 2,110%, kadar air sebesar 90,280%, kadar abu sebesar 1,196%, dan kadar karbohidrat sebesar 6,082%. Penelitian ini memberikan kontribusi penting dalam pemahaman akan kandungan gizi umbut rotan noko (Daemonorops robusta) dan memperkuat dasar untuk mengangkat umbut rotan sebagai bahan pangan yang layak dikonsumsi oleh masyarakat setempat.
Analisis Filogenetik Lebah Madu Endemik Sulawesi Apis nigrocincta Smith, 1860 Berdasarkan Gen 16S rRNA Hidyanisa, Dhea; Budiarsa, I Made; Ashari, Abdul; Trianto, Manap; Nurdin, Musdalifah; Windarsih, Yulia
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 1 (2025): March
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.v13i1.14968

Abstract

Apis nigrocincta is an endemic honey bee that is only found in two regions in Indonesia, namely the Sangihe Islands and Sulawesi Islands. Phylogenetic analysis is used to describe the phylogenetic relationship of Sulawesi endemic honey bee A. nigrocincta based on the 16S rRNA gene. Sampling using the cruising method in various regions, then DNA isolation, DNA amplification, sequencing, and continued bioinformatics analysis using GeneStudio, DNASTAR, MESQUITE, and MEGA 11. The results showed that phylogenetic analysis with the Neighbor-Joining (NJ) and Maximum Likelihood (ML) methods produced a phylogenetic tree that illustrates clear evolutionary relationships. A. nigrocincta from Central Sulawesi is more closely related to other A. nigrocincta species in the same clade, while other species are separated. The results of this study show a clear pattern of kinship between A. nigrocincta populations. 
Identifikasi Pakan Lebah Madu Endemik Sulawesi Apis nigrocincta (Smith, 1861) Hamsa, Hamsa; Masrianih, Masrianih; Trianto, Manap; Ashari, Abdul; Windarsih, Yulia; Nurdin, Musdalifah
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 1 (2025): March
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.v13i1.15190

Abstract

The study aims to identify the main feed source for Apis nigrocincta through the analysis of polent morphology. The study uses explorative descriptive methods with qualitative and quantitative approaches. The focus of this study is the identification of feed source for endemic honeybees of Sulawesi, Apis nigrocincta through the analysis of polent morphology. Through the approach of polent morphology analysis, successfully identified 12 plant species from 9 families that could potentially be feed sources such as, Cucurbita maxima, Clematis viticella, Clematis montana, Pseuderanthemum tropurpureum, Cersicaria odorata, Solamun torvum, Solamun nigrum, Pine mercussii, Piper betle, Piper nigrum, and Galium aparine identification showed the presence of polyn diversity that supports the nutritional needs of bees, and emphasized the importance of local vegetation conservation to maintain the sustainability of the A. nigrocincta population. The results of the study showed that the polen has characteristics such as the polish unit, size, shape, shape on the P and E side, aperture type, as well as exin ornamentation. The polents collected by bees A. nigrocincta come from various types of plants, namely fruits, ornamental plants, vegetable plants, herb plants, and trees. This diversity reflects the flexibility of bees in choosing food sources based on availability in the surrounding environment. The results of the identification of the polymer samples showed that 12 species of plants that are the main feed source for A. nigrocincta bees are sourced from the polen. Each species has different flower characteristics, both in terms of shape and color. Polen diversity indicates that the environment around Jononunu Village has a rich ecosystem with different types of flowering plants.
Identifikasi Jenis Tumbuhan Paku (Pteridophyta) di Jalur Pendakian Gunung Nokilalaki Desa Tongoa Kecamatan Palolo Kabupaten Sigi Asmara, Dudun Candra; Jamhari, Mohammad; Febriawan, Aan; Trianto, Manap; Astija, Astija; Nurdin, Musdalifah
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 1 (2025): March
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.v13i1.15253

Abstract

The purpose of this study was to identify the types of ferns (Pteriodophyta) found on the Nokilalaki Mountain Climbing Trail, Tongoa Village, Palolo District, Sigi Regency. This type of research is a qualitative descriptive research using the exploration method and free collection sampling techniques. This study aims to describe existing phenomena. In it there are efforts to describe, record, and analyze the conditions that are happening factually. The results of the study conducted on the Mount Nokilalaki Climbing Trail, Tongoa Village, Palolo District, Sigi Regency obtained 26 types of ferns consisting of 4 classes, 6 orders, 14 families. Of the 26 types of ferns (Pteridophyta) found, namely Dryopteris filix-mas, Dryopteris marginalis, Rumohra adiantiformis, Neprolepis cordifolia, Athyrium macrocarpum, Asplenium nidus, Asplenium polyodon, Davallia trichomanoides, Microsorum fortune, Pteris biaurita, Nephrolepis biserrata, Nephrolepis sp, Microlepia speluncea, Microsorum pustulatum, Pyrrosia lanceolata, Pyrrosia philoselloides, Microsorum punctatum, Vittaria elongate, Angiopteris evecta, Cristella dentate, Selaginela wildewoii, Selaginela involvens, Selaginela sp, Selaginella apoda, Huperzia lucidula. Hymenophyllum sp.
Partisipasi Siswa dalam Proses Pembelajaran pada Mata Pelajaran IPA di SMP Negeri 18 Palu Datubaringan, Jein; Jamhari, Mohammad; Dhafir, Fatmah; Masrianih, Masrianih; Zainal, Syech; Nurdin, Musdalifah
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 2 (2025): 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/bioscientist.v13i2.15495

Abstract

This study aims to describe student participation in science learning at SMP Negeri 18 Palu. Student participation in science learning is considered important because it can enhance active involvement, conceptual understanding, and collaboration among students, contributing to the quality of learning. This research uses a descriptive quantitative approach with 115 students from grades VII, VIII, and IX who were selected randomly. The instrument used was a questionnaire to measure the level of student participation, and the data were analyzed using descriptive statistics. The results show that (1) student participation is categorized into five main activities: asking questions, giving opinions, discussing, working on group assignments, and presenting in front of the class. (2) Most students actively participated in these activities, with the highest participation found in discussion and presentation activities. (3) Students are more active when the material is linked to everyday life and delivered in an interesting way through visual and interactive media. Based on these findings, it can be concluded that active student participation positively contributes to the quality of science learning at SMP Negeri 18 Palu.
Kepadatan Makrozoobentos di Perairan Sungai Desa Toaya Kecamatan Sindue Kabupaten Donggala Nurhaliza, Siti; Bustamin, Bustamin; Rauf, Abd.; Nurdin, Musdalifah; Sabran, Moh.; Agni, Raya
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 2 (2025): 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/bioscientist.v13i2.15512

Abstract

This study aims to determine the density of macrozoobenthos in Toaya Village River Waters. This study uses a Quantitative Descriptive method with purposive sampling location determination consisting of 3 observation stations and sampling using the line Transect technique with a surber net sampling tool. Data analysis is done by calculating the density of samples that have been obtained in the field using the density formula. The results showed that (1) 5 types of macrozoobenthos were identified in the waters of Toaya Village River with the highest density at Station I (9.17 ind/m²) and the lowest at Station III (6.25 ind/m²). (2) These density differences reflect variations in environmental conditions, such as bottom substrate, water currents, pollution levels, and availability of organic matter. (3) Environmental conditions at station 1 are relatively more favorable for benthic organisms, while stations II and III reflect environmental pressures such as pollution or changes in habitat quality. Thus, macrozoobenthos acts as an effective bioindicator to assess water quality, so these results reflect the health level of the river ecosystem.
Akumulasi Mikroplastik Pada Bivalvia di Ekosistem Manggrove Desa Tanah Mea Kabupaten Donggala Yesika, Veronika; Nurdin, Musdalifah; Rauf, Abd.; Zainal, Syech; Bustamin, Bustamin; Sabran, Moh.
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 2 (2025): 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/bioscientist.v13i2.15659

Abstract

This study aimed to identify bivalve species with high microplastic content and the types of microplastics present in those bivalves within the mangrove ecosystem of Desa Tanah Mea, Donggala Regency.  A quantitative descriptive method was used. Sampling locations were determined using purposive sampling, divided into two stations: Station I, a mangrove ecosystem adjacent to a residential area, and Station II, a mangrove ecosystem near the coastline. Bivalve samples were collected using the hand collection method, with 10 individuals per species.  Subsequently, bivalve tissues were processed, and microplastic content was analyzed. Data analysis involved counting the number and types of microplastics from the field samples using an abundance formula. Results showed that Polymesoda erosa, found at Station I, contained 22.2 microplastic particles per individual, comprising 104 fragments, 22 films, 92 fibers, and 4 foams.  Anadara granosa, found at Station II, contained significantly fewer microplastics, with 2.5 particles per individual, consisting of 12 fragments, 5 films, and 8 fibers. Polymesoda erosa was the bivalve species with the highest microplastic content, with fragments, films, fibers, and foams identified.  Therefore, bivalves can serve as bioindicators for assessing microplastic pollution levels in the mangrove ecosystem of Desa Tanah Mea, Donggala Regency.
Struktur Anatomi Daun Mangrove Jenis Avicennia lanata Ridl. dan Sonneratia Alba J.E. Smith di Desa Siney Tengah, Parigi Moutong Antika, Rindi; Isnainar, Isnainar; Febriawan, Aan; Nurdin, Musdalifah; Mawaddah, Hayyatun; Lilies, Lilies
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 2 (2025): 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/bioscientist.v13i2.15748

Abstract

This study aims to describe and compare the anatomical structure of mangrove leaves of Avicennia lanata Ridl. and Sonneratia alba J.E. Smith in the coastal area of Central Siney Village, South Tinombo District, Parigi Moutong Regency. This study used a quantitative descriptive approach and was conducted at the Biology Education Laboratory, Faculty of Teacher Training and Education, Tadulako University in November 2024. The research samples were A. lanata and S. alba mangrove leaves collected from the research location, with data obtained through microscopic observation, documentation, and questionnaires. The results showed that there were differences in the anatomical structure of the leaves of the two mangrove species, especially in the type of stomata, the thickness of mesophyll tissue, and the development of salt glands. Avicennia lanata has actinocytic stomata and more developed salt glands, while Sonneratia alba has cyclic stomata and thicker pole tissue. Both have similar basic leaf structures, such as cuticle, epidermis, cortex, and xylem and phloem transport tissues. Thus, there are distinctive anatomical adaptations in each species, reflecting survival strategies in the mangrove ecosystem.
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.
Co-Authors Aan Febriawan Abd Hakim Laenggeng Abd Hakim Laenggeng, Abd Hakim Abd. Hakim Laenggeng, Abd. Hakim Abd. Rauf Abdul Hakim Laenggeng Abeng, Tenri Achmad Ramadhan Achmad Ramadhan Aditya, Rivan Agustin Tiwow Alfaida - -, Alfaida - Amalia Buntu Amalia, Diza Nurul Amiruddin Kasim Amirudin Kasim Amran Rede Ananda, Rizal Andi Tandra Tellu Andi Tanra Tellu Annisa Fadillah, Annisa Antika, Rindi Anugrah, Anugrah Arfat Arfat Aris Munandar Aris Munandar Arsitas, Dian Ashari, Abdul Asmara, Dudun Candra Astija Azimah, Nur Batania, Eka Hardiyanti R. Bustamin Bustamin Bustamin Bustamin Bustamin Chatarina Umbul Wahyuni Damayanti, Alfina Datubaringan, Jein Dawa, Linda M Dewi Dewi Dian Arsitas Didiana, I Ketut Diza Nurul Amalia Edi Susanto Edi Susanto Efendi Efendi Fatmah Dhafir Febriani, Vita Indri Febriawan, Aan Fitriyana, Ega Gafar, Moh. Gamar Binti Non Shamdas Hamsa, Hamsa Hasnatan, Hasnatan Hasrina Hasrina Hasrina Hasrina Hayyatun Mawaddah Hidyanisa, Dhea I Ketut Suada I Made Budiarsa I Nengah Kundera Isninar, Isnainar Janah, Nidya Khusni Fatul Karawasa, Nur’aini Kasim, Amirudddin Lestari Alibasyah Lestari Alibasyah Lilies Lilies Lilies Lilies Lilies Lilies Lilies N Tangge Manap Trianto Masriani . Masrianih Mestawaty Ahmad Mestawaty As. Achmad Mestawaty As. Achmad Mohamad Jamhari Mohammad Jamhari Mu'aziyah, Siti Eneng Sururiyatul Muanmar, Muanmar Muanmar Mukarramah Mukarramah Mukarramah Mukarramah, Mukarramah Mutmainnah Nasria, Nasria Nur Azimah NUR FADILAH NurAfni NurAfni Nur’aini Karawasa Nurjida, Nurjida Rahmiyanda, Rahmiyanda Ramlah Monoarfah Raya Agni RIA ANGGRAINI Rivan Aditya Rizal, Rizal Rizka Fardha Sabran, Mohhamad Safaat, Safaat Samsurizal, M. Sulaeman Saridewi, Uut Sarnan, Etry Melatry Satri Siti Nurhaliza Sriwahyuni B. Ladaka, B. Ladaka Suparman Suparman Suwito Suwito Syaifuloh, Syaifullah Syech Zainal Tanra Tellu, Andi Tanra, Andi Tenri Abeng Titin Titin Windarsih, Yulia Yesika, Veronika Zakiah Zulfitri Syam, Zakiah Zulfitri Zulfana, Zulfana Zulfiana, Zulfiana