Jurnal Biologi dan Pembelajarannya (JB&P)

Pengembangan Strategi Pembelajaran SIRNI (Stimulation, Idea Generation, Riset, Conclusion, Reflection) Terintegrasi Laboratorium Virtual Untuk Meningkatkan Pemahaman Konsep dan Keterampilan Metakognitif Peserta Didik

2024-07-26T09:25:16+07:00

Metacognition skills and concept understanding can be improved through learning strategies that lead to improved thinking skills. Learning strategies are used to achieve learning objectives effectively and efficiently with the help of virtual laboratories as learning media and provide opportunities to get information more efficiently, also make students aware of their thinking control, so they know what to do and how to do it and students learn to actively reconstruct their conceptual understanding. This study aims to analyse the development of virtual laboratory integrated learning strategies that can improve metacognition skills and concept understanding in biology learning. This type of research is method using the literature study method. The development of this learning strategy adapts the Inquiry, Discovery and Cooperative learning strategies to produce the SIRNI strategy. The syntax of the SIRNI learning strategy is Stimulation, Idea Generation, Research, Conclusion, Reflection This learning strategy is expected to help improve students' metacognition skills and concept understanding so that students' mastery in processing learning information increases, helps students solve problems related to misconceptions and learning errors, and increases students' desire to learn.

Aktivitas Antibakteri Daun Mangga (Mangifera Indica L) Terhadap Bakteri Pada Sputum

2024-07-26T09:27:03+07:00

Mango (Mangifera indica L.) is a native plant from Southeast Asia, and has been widely distributed in tropical and subtropical regions of the world. Mango leaf extract is reported to contain alkaloids, phenols, saponins, coumarins, tannins, flavonoids, triterponoids, steroids and glycosides which function as antimicrobial compounds that can inhibit bacterial growth. It is hoped that this content can be a solution as an antibacterial to replace antibiotics, because inappropriate use of antibiotics can cause bacteria to become resistant. The aim of this study was to test the antibacterial activity of mango leaves against bacteria from sputum samples. The extraction method used was infusion with paper discs on Mueller Hinton Agar (MHA) medium which was incubated at 37°C for 24 hours. The positive control used was the antibiotic Amoxicillin

Identifikasi Jenis Mamalia di Kawasan Taman Nasional Gunung Halimun Salak pada Jalur Citalahab dan Cikaniki

2024-07-26T09:27:37+07:00

Taman Nasional Gunung Halimun Salak (TNGHS) memiliki banyak tipe ekosistem dan habitat yang mendukung spesies langka dan endemik termasuk mamalia. Mamalia merupakan kelompok tertinggi tingkatannya dalam kingdom animalia. Penelitian ini bertujuan untuk mengetahui jenis-jenis mamalia yang terdapat pada kawasan TNGHS. Penelitian ini menggunakan metode pengamatan langsung dan tidak langsung. Hasil yang diperoleh yaitu mamalia yang ditemukan di kawasan TNGHS sebanyak 9 spesies mamalia pada jalur Citalahab dan Cikaniki (5 spesies menggunakan metode pengamatan langsung dan 4 spesies menggunakan pengamatan tidak langsung). Kelimpahan mamalia tertinggi adalah Owa Jawa (Hylobates moloch) dengan persentase nilai kelimpahan sebanyak 33.33%. Adapun berdasarkan hasil perhitungan keanekaragaman di kawasan TNGHS jalur A dan jalur B berada pada kisaran sedang yang artinya penyebaran jumlah individu di Jalur A dan B TNGHS dalam tiap spesies adalah sedang dan kestabilan komunitas juga berada pada kisaran yang sedang.

Morphometric Characters Of Nile Tilapia (Oreochomis niloticus ) at Fish Cultivation in Buah Jakung Village, serang district

2024-07-26T09:25:34+07:00

Tilapia (Oreochromis niloticus), also known as tilapia or tilapia, is one of the economically important freshwater fish that was introduced to some parts of Asia, including Indonesia. Morphological features include morphometric and meristic studies of fish. Morphometrics are characteristics related to body size while meristic measurements are part of the standard measurements used in fish. The method used in this study is a qualitative method, aiming to determine the morphological characteristics of tilapia. Observations were made based on total length (Tl), head length (HL), standard length (SL), head height, fork length (FL), body height, interorbital distance, eye diameter, mouth opening width, dorsal height, maxillary length, length mandible, operculum length, prepectoral length, predorsal length.

Keanekaragaman Aves Di Kawasan Cagar Alam Pulau Dua

2024-07-26T09:26:09+07:00

The second island sanctuary is a bird's paradise, especially water birds. In the 2018 report on banten province's environmental service, at least 110 birds from 39 different tribes, including more than 57 categorized water birds, of which 38 are protected in Indonesia. The purpose of the study is to identify the diversity of aves found in the two-island wildlife sanctuary in the province of banten, in precisely the noble rice village, sub-district, and attack. The method of exploration is used in data collection used line transect techniques. Studies have found 12 species from 9 families caught by both the eye and the binoculars. The ardeidae family dominates much of the cruising area because of its natural habitat that is close to the waters in which it can easily feed. Small egrets roamed the mangrove vegetation while egrets roamed along the coast. There are 10 species of birds with lc conservation status as well as 1 with the vu conservation status of acridotheres javanicus and en, the mycterea cinereal.

Uji Aktivitas Antibakteri Dari Ekstrak Daun Sirih Terhadap Bakteri Bacillus cereus

2024-07-26T09:26:45+07:00

This study elucidates the role of secondary metabolites in green betel leaves (Piper betle) as antibacterial agents against Bacillus cereus, a bacterium causing various foodborne illnesses in humans. The experimental research was conducted at the Biology Laboratory, Faculty of Mathematics and Natural Sciences, Universitas Negeri Medan, utilizing Bacillus cereus bacterial isolates and extracting betel leaves using water. The measurement of inhibition zones was performed to evaluate the antibacterial activity of the betel leaf extract. The research results indicate the presence of an inhibition zone against Bacillus cereus growth, albeit categorized as weak. The measurements varied across repetitions, namely 2.6 mm, 3.35 mm, and 1.05 mm. The average of these three results was 3 mm.

Pengembangan Media Ensiklopedia Potensi Biomassa Dan Serapan Karbon Hutan Mangrove Di Desa Lapandewa Makmur Dan Pemanfaatanya Sebagai Bahan Ajar Biologi

2024-07-26T09:27:20+07:00

An encyclopedia is a scholarly work that contains a detailed summary and discussion of materials. This particular encyclopedia integrates images and textual content, and it is intended for use at the high school level (MA/SMA Class X) in the study of Mangrove Forest Ecosystems. This research aims to explore the utilization of encyclopedias in high schools for teaching Mangrove Forest Ecosystem materials, with the objective of enhancing the teaching and learning process and evaluating the suitability of such encyclopedic materials.The research is conducted using a 4-D model, which includes phases of defining, designing, developing, and disseminating. The research findings demonstrate the significant utility of encyclopedias for both teachers and students, particularly in light of their underutilization in schools. The presence of these encyclopedias not only eases the workload of teachers but also enriches the teaching and learning process with up-to-date content. Furthermor, the evaluation of the encyclopedia teaching materials, conducted by subject matter experts and media specialists, deems them 'feasible' with approval rates of 95.83% and 97.91% respectively.

Inventarisasi Mangrove Di Kawasan Hutan Mangrove Cagar Alam Pulau Dua

2024-07-26T09:25:52+07:00

Mangrove forest is a forest with a pattern shape that is influenced by the presence of tides, with anaerobic soil conditions. Mangrove forests are a group of plants consisting of various types of plants from different families, but have the same morphological and physiological adaptability to habitats affected by tides. The purpose of this study is to inventory and find out the types of plants in the Pulau Dua Serang Nature Reserve Area. The method used in this study is direct exploration with exploration, identification, literature, and documentation. The data analysis carried out in this study was in the form of descriptive qualitative, namely sampling, data collection, documentation, and identification of plant species. The results showed that 20 species of mangroves were found consisting of 15 true mangrove species and 5 associated mangrove species found in the Pulau Dua Nature Reserve Area, Serang City.

Preferensi Pakan Serangga Kumbang Daun (Epilachna varivestis) Dan Oteng-Oteng (Aulacophora similis) Dari Beberapa Jenis Tanaman Solanceae

2024-07-26T09:26:27+07:00

Insects are vertebrate animals classified in the phylum Arthropoda. Insects are one of the animals that are very numerous, one of which is in the insecta class, so the presence of insects really affects the ecosystem. This research aims to determine the food preferences of leaf beetles (Epilachna varivestis) and oteng- oteng (Aulacophora similis) from several types of Solanceae plants. The samples used in this research were the leaf beetle Epilachna varivestis and oteng-oteng (Aulacophora similis) and 5 types of Solanaceae plant leaves including cayenne pepper leaves, bird chili leaves, eggplant leaves, ciplukan leaves and takokak leaves. This observation was carried out to find out 1). How long does it take for the beetle to find its food? 2). Which type of leaf is eaten first and which type of leaf is eaten the most? 3). How long does it take for a beetle to eat this type of food? 4). Is there a switching of the beetle's eating pattern? Based on the results of observations made, the leaf beetle Epilachna sp apparently preferred cayenne pepper leaves (Capsicum frutescens) for 30 minutes slowly and stopped by the other four leaves but was not eaten by the leaf beetle, the same as the leaf beetle, Oteng-oteng (Aulacophora similis) only liked one leaf, namely preferring eggplant (Solanum melongena) leaves for 30 minutes slowly and stopped the other four leaves but the oteng-oteng didn't eat them.

Pengembangan Model Pembelajaran “Taro Ada” (Stimulation, Reading, Analysis, Determine, Application) Untuk Meningkatkan Keterampilan Berpikir Kritis Peserta Didik

2024-07-26T09:24:58+07:00

This research aims to develop the "TARO ADA" learning model to improve students' critical thinking skills. This research is research and development research which refers to the 4-D model which has four stages, namely define, design, develop, disseminate. Data collection technique. The results of the development of the TARO ADA model are based on supporting learning theories. The TARO ADA learning model consists of 5 stages, namely Stimulation, Reading, Analysis, Determine, and Application.

Analisis Angka Lempeng Total Ikan Mujair (Oreochromis mossambicus) Asap Di Pasar Kedung Boto Kecamatan Beji Kabupaten Pasuruan

2024-07-26T09:24:40+07:00

Ikan mujair adalah jenis ikan air tawar yang biasa ditemukan di perairan danau atau sungai di Indonesia. Ikan mujair sering dimanfaatkan sebagai bahan masakan karena dagingnya yang lezat dan gurih. Penelitian ini bertujuan untuk mengetahui nilai angka lempeng total ikan mujair (Oreochromis mossambicus) asap di Pasar Kedung Boto Kecamatan Beji Kabupaten Pasuruan. Uji angka lempeng total pada penelitian ini dilaksanakan di Laboratorium Teknologi Pangan Fakultas Sains dan Teknologi Universitas Muhammadiyah Sidoarjo.. Objek yang dikaji dalam penelitian ini adalah ikan mujair asap dari 6 UMKM di Pasar Kedung Boto Kecamatan Beji Kabupaten Pasuruan. Hasil penelitian ini menunjukkan bahwa nilai angka lempeng total dari 6 UMKM tersebut memenuhi SNI dimana nilai angka lempeng total UMKM 1 sebesar 0.005 x 10⁴ koloni/g, UMKM 2 sebesar 0.025 x 10⁴ koloni/g, UMKM 3 sebesar 0.005 x 10⁴ koloni/g, UMKM 4 sebesar 0.025 x 10⁴ kloni/g, UMKM 5 sebesar 0.035 x 10⁴ koloni/g, UMKM 6 sebesar 0.025 x 10⁴ koloni/g yang artinya tidak tidak melebihi batas ikan asap SNI 2725:2013

Pengembangan Buku Ajar Biologi Berbasis STEM education-PjBL pada Materi Plantae

2024-07-26T09:24:22+07:00

STEM education (Science, Technology, Engineering, and Mathematics) based textbooks and Project Based Learning (PjBL) learning models have never been developed by school educators. STEM education-PjBL can provide meaningful learning for students in understanding concepts and exploring through project activities. The aim of the research is to produce a biology textbook based on STEM education-PjBL on Plantae material that meets valid criteria. This type of research is development research and uses the Thiagarajan 4D development model consisting of define, design, develop, and disseminate. However, this research is limited to the develop stage. The research instruments used were a needs analysis questionnaire, a material expert validation questionnaire, and a learning media expert validation questionnaire. The results of the research show that the STEM education-PjBL-based biology textbook on Plantae material is declared very valid and appropriate in terms of material (91%) and learning media (99%). This STEM education-PjBL based biology textbook can be recommended as a learning resource in biology learning and a reference for teachers and other researchers if they want to develop a book by integrating learning approaches and models where the learning approach or model is integrated with the subject matter.