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All Journal JURNAL PENA EDUKASI Jurnal Riset Biologi dan Aplikasinya
Sianturi, Advend Sri Rizky
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Medicine & Pharmacology

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The Phenetic Relationship of Ferns (Polypodiaceae) at the Ascent of Cemoro Kandang, Mount Lawu Sianturi, Advend Sri Rizky
Jurnal Riset Biologi dan Aplikasinya Vol 2, No 2 (2020)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrba.v2n2.p64-69

Abstract

The fern is one of the highly diverse vascular plant species, which has a unique characteristic. The closely related at the family level because the genera within each family have some uniformity so that the relationship and groupings cannot be distinguished. One example of a diverse fern family is Polypodiaceae. Consequently, it is necessary to simplify the classification; one of them is through phenetic relationship analysis. This study aimed to analyze the phenetic relationship of the Polypodiaceae ferns in Climbing Cemoro, Mouth Lawu enclosure, Karangayar Regency, based on the similarity index on the dendogram. The data were collected using the exploration method and the sporophyte morphological characters were observed. The observations obtained 13 variations of characters. The relationship analysis was carried out with the hierarchical cluster program using SPSS 23. There were six species found from the Polypodiaceae family, there were including Belvisia mucronata, Goniophlebium sp, Lepisorus sp, Pyrrosia piloselloides, Crypsinus taeniatus and Drynaria sparsisora. The finding suggests that six species are divided into two clusters, the Group I consisting of Goniophlebium sp, Lepisorus sp, Lepisorus sp, and Pyrrosia pilloselloides with a similarity coefficient index of 53% and Group II consisting of Drynaria sparsisora, Goniophlebium sp, and Pyrrosia piloselloides with a similarity index of 46%.
Critical Thinking in Biology Teacher Candidates: Hots and Influencing Factors Pradana, Sendy Putra; Antony, Muhammad Khoirul; Ramadhan, Ahmad Naharuddin; Sianturi, Advend Sri Rizky
JURNAL PENA EDUKASI Vol 12, No 2 (2025): Oktober 2025 (Progress Issue)
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jpe.v12i2.2934

Abstract

This study aims to analyze the critical thinking skills of students in the Biology Education Study Program at Pattimura University in solving Higher Order Thinking Skills (HOTS) questions related to modern biotechnology. A descriptive research method was employed, utilizing a test instrument and unstructured interviews to identify factors influencing student performance. The measured critical thinking indicators include clarification, assessment, inference, and strategy. The analysis results indicate that the average student score was 72.5, categorized as "good." Students demonstrated strong abilities in clarification (78), assessment (81), and strategy (70) but encountered difficulties in inference (61). The score variation, with a standard deviation of 11.95, reflects differences in students' proficiency levels. Factors affecting these results include academic background, experience in scientific argumentation, and access to learning resources. The findings highlight the need to strengthen inference skills through discussion-based learning, case studies, and problem-based learning strategies. Enhancing critical thinking skills is expected to better prepare students for challenges in the educational field and enable them to guide learners in developing analytical thinking abilities.
Co-Authors Antony, Muhammad Khoirul Naharuddin Naharuddin pradana, Sendy putra