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Journal : Bioscientist : Jurnal Ilmiah Biologi

PENGARUH ZAT KIMIA PADA BERBAGAI SUHU TERHADAP DENYUT JANTUNG KATAK (Rana sp.) DALAM UPAYA PENGEMBANGAN BUKU PETUNJUK PRAKTIKUM FISIOLOGI HEWAN Sry Purnamasari; Muhammad Wahyu Setiyadi
Bioscientist : Jurnal Ilmiah Biologi Vol 7, No 2 (2019): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bjib.v7i2.2388

Abstract

The purpose of this study is to determine the effect of chemicals on various temperatures in the heart of frogs (Rana sp.) And to compile valid animal physiology practical instructions. This research is a type of experimental research (true experimental) and this research approach is a qualitative approach. Samples were given 3 different treatments, namely controls with room temperature of 250C-300C, temperature of 00C-100C, and 300C-400C. The results of the study using ANOVA (Analysis of Variance) showed the effect of NaCl solution on the frog heart rate (Rana sp.) Namely Fcount of 5.18 while Ftable of 3.59 so that the results of this study were declared significant. While the effect of saline solution on the frog heart rate (Rana sp.) Is Fcount of 1.78 while Ftable is 3.59 so the results of this study are declared non-significant. So it can be concluded that, NaCl solution at various temperatures significantly influences the frog heart rate (Rana sp.), While saline solution at various temperatures does not significantly influence the frog heart rate (Rana sp.). The process of developing this animal physiology practical guide uses a 3-D development model, which consists of the define, design, and develope stages. The results of the study showed that the practicum instructions for animal physiology were valid, said to be valid because the practicum instructions prepared and developed had met the "valid" criteria.
Penerapan Model Pembelajaran Project Based Learning pada Matakuliah Struktur Hewan Muhammad Wahyu Setiyadi; Mujiono Sang Putra; Rizka Awaluddin; Gulbudi Gulbudi; Muhammad Zaelani; Edi Firmansyah
Bioscientist : Jurnal Ilmiah Biologi Vol 11, No 2 (2023): December
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.v11i2.9424

Abstract

The type of research used in this research is Classroom Action Research. The subjects in this research were students of the Biology Education Study Program, STKIP Al Amin Dompu in the even semester of the 2022/2023 academic year. The instruments used in this research were student activity observation sheets and student cognitive learning outcomes tests. The analysis used in this research is descriptive qualitative. The research results show that the application of the project based learning model can improve students' cognitive learning activities and outcomes. Student learning activity in the pre-cycle was 36.84%, cycle I was 57.88%, and cycle II was 82.45%. Meanwhile, the classical mastery of students' cognitive learning outcomes increased from pre-cycle by 42.1%, cycle I 68.42%, and cycle II by 84.21%.