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All Journal Biosel: Biologi Science and Education Jurnal Pendidikan dan Pembelajaran
Tiara Alifia Azzahra
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Energy Environmental Science Languange, Linguistic, Communication & Media Mathematics Other

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A Analisis Karakteristik Stomata Daun Rhoeo discolor (Adam Eva) Berdasarkan Waktu Pengambilan Sampel yang Berbeda Al-hafidz, Nadia Nur Khamilah; Nasywa Liza Zahirah; Tiara Alifia Azzahra; Ratna Dewi Wulaningsih
Biosel Biology Science and Education Vol. 14 No. 1 (2025): BIOSEL (Biology Science and Education: Jurnal Penelitian Science dan Pendidika
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33477/bs.v14i1.8870

Abstract

Stomata are important structures in leaves that function in gas exchange and regulating air loss. The research focuses on the characteristics of Rhoeo discolor leaf stomata which are influenced by sampling time, taking into account environmental factors such as light, temperature and humidity. The aim of this research is to provide insight into the physiological adaptation of tropical plants to environmental change. The method used includes observing stomata in the morning (08.00 WIB) and afternoon (16.00 WIB) using a light microscope, where five samples are taken at each observation time to analyze the number of open and closed stomata. The results showed that the average number of open stomata was higher in the morning (24 stomata) than in the afternoon (17 stomata). This results in high stomata density in the morning, while in the afternoon it is low. Not only that, for the characteristics of stomata based on the location of the stomata on the leaf surface, the Rhoeo discolor stomata type is the Amphistomatic type. Meanwhile, based on its shape, the type of stomata that these stomata have is the tetracytic stomata type. In conclusion, sampling time has a significant effect on the characteristics of stomata in Rhoeo discolor, with more stomata opening in the morning associated with higher light intensity, supporting the efficiency of photosynthesis and air use in plants. Keywords: Stomata, Rhoeo discolor, Photosynthesis, Environmental Conditions
Penerapan Teori Belajar Kolaboratif Luring dalam Pembelajaran Kelompok di SMA melalui Kajian Literatur Arikah Putri Afriani; Innes Prameswary; Selestina Rebacca Sihotang; Tiara Alifia Azzahra; Eka Putri Azrai
DIAJAR: Jurnal Pendidikan dan Pembelajaran Vol. 4 No. 2 (2025): April 2025
Publisher : Yayasan Pendidikan Penelitian Pengabdian Algero

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54259/diajar.v4i2.2699

Abstract

This study evaluates the implementation of collaborative learning theory in high school education through a comprehensive literature review. Collaborative learning is an educational approach that encourages students to work together in groups to achieve shared learning objectives. The research aims to analyze the effectiveness of this approach in enhancing student learning outcomes, active participation, scientific attitudes, and critical thinking skills. The methodology involves the collection, selection, and analysis of relevant literature from various sources, including scientific journals, books, and research articles published between 2018 and 2023. The findings indicate that collaborative learning significantly improves students' academic performance and fosters a more interactive and dynamic learning environment. Additionally, it highlights the versatility of collaborative learning, demonstrating its applicability across various subjects, both in the sciences and humanities. The study concludes that implementing collaborative learning strategies can create a more engaging educational experience, promoting deeper understanding and motivation among students. This research underscores the importance of innovative teaching methods in enhancing educational quality and preparing students for future challenges. Overall, the study advocates for the integration of collaborative learning in high school curricula to optimize student learning experiences and outcomes.
Co-Authors Al-hafidz, Nadia Nur Khamilah Arikah Putri Afriani Azrai, Eka Putri Innes Prameswary Nasywa Liza Zahirah Ratna Dewi Wulaningsih Selestina Rebacca Sihotang