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Bioedukasi: Jurnal Pendidikan Biologi

bioedukasi
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Published by Universitas Sebelas Maret

ISSN : 1693265X EISSN : 25490605 DOI : -

Core Subject : Science, Education, Agriculture,

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

BIOEDUKASI-Jurnal Pendidikan Biologi FKIP UNS merupakan peer review journal, memuat artikel hasil penelitian, review, dan pemikiran terkait dengan biologi, lingkungan, pembelajaran dan pendidikannya. Terbit dua kali dalam setahun, pada bulan Februari dan Agustus.

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Search results for , issue "Vol 12, No 1 (2019): BIOEDUKASI: Jurnal Pendidikan Biologi" : 10 Documents clear

Pengaruh Model Pembelajaran Problem Based Learning terhadap Berpikir Kritis Siswa SMP pada Pembelajaran Biologi Materi Pemanasan Global Fitriyyah, Siti Jazilatul; Wulandari, Tabitha Sri Hartati
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): BIOEDUKASI: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/bioedukasi-uns.v12i1.27354

The demand of science learning in the global era according to the National Science Teachers Association (2006) is to prepare learners with a variety of skills and skills, one of which is critical thinking skills. In learning Biology in SMP Negeri 3 Kragan critical thinking skills have not been empowered by teachers. Efforts to improve the skills of critical thinking is with the model of learning Problem Based Learning. The purpose of this study to determine the effect of learning model Problem Based Learning on students' critical thinking skills. This research was conducted on the seventh grade students of SMP Negeri 3 Kragan. The material in this research is global warming. This type of research is a quasi-experimental research with Pretest-Posttest Control Group Design design. The sample in this research is VII A class (experimental class) and VII B class (control class), each class is 30 students. Data analysis using t test. The results showed that the average value of all aspects and indicators of critical thinking experimental class is higher than the control class. Percentage in experimental class 83,60% while in control class 76,40%. Data analysis with t test obtained sig value 0.000, so it is concluded that model of learning of Problem Based Learning influence to critical thinking skill of SMP Negeri 3 Kragan student on global warming material

Mengkaji Peranan Alelokimia pada Bidang Pertanian Kristiana, Riajeng
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): BIOEDUKASI: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

Alelokimia merupakan metabolit sekunder yang diproduksi oleh tanaman, yang tidak terlibat langsung pada proses pertumbuhan tanaman. Alelokimia ditemukan di berbagai bagian tanaman dengan konsentrasi dan komposisi yang bervariasi, dan jalur untuk melepaskan senyawa ini ke lingkungan tergantung dari spesies tanamannya.Â Tanaman dapat menggunakan alelokimia untuk berkomunikasi dengan lingkungannya.Â Tujuan dari artikel ini yaitu untuk mengkaji peranan alelokimia yang diproduksi oleh tanaman pada bidang pertanian.Â Hasil yang diperoleh dari kajian artikel ini yaitu bahwa alelokimia yang diproduksi oleh tanaman dapat dikeluarkan melalui akar tanaman dan volatilisasi dari bagian tanaman lain.Â Alelokimia memberikan dampak positif bagi lingkungan sekitar tanaman, sehingga dapat memberikan keuntungan bagi hasil produksi tanaman.Â Dampak positifnya antara lain alelokimia dapat memanagement gulma, mengatur pertumbuhan tanaman, dan juga sebagai pestisida.Â Keuntungan ini dapat terjadi jika alelokimia yang diproduksi oleh tanaman dalam konsentrasi yang rendah.Â Alelokimia juga menjadi sinyal bagi mikroorganisme yang bersimbiosi dengan tanaman.

Analisis Kemapuan Berpikir Kritis Siswa SMP berbasis Gaya Kognitif melaui Pembelajaran TPS (Think Pairs Share) dengan Media Poster Rahayu Rahayu; Imas Cintamulya
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): BIOEDUKASI: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

The demand for curriculum 2013 requires students to think critically in the learning process. However, the current process of learning in schools about the aspect of critical thinking has not been empowered. In addition, another aspect that has also not been considered is the cognitive style of students. The cognitive style of the students shows the variation of student learning styles. The purpose of this research is to describe critical thinking based on reflective and impulsive cognitive style on students of SMP Muhammadiyah 15 Sedayulawas class VII-B in biology study of environmental pollution subject through Think Pairs Share model and poster media. This research is a descriptive explorative research type. Subjects in this study were students of SMP Muhammadiyah 15 Sedayulawas class VII-B consisting of 9 students of reflective cognitive style and 9 students of cognitive impulsive style. Data of critical thinking ability was obtained from the critical thinking test sheet of critical thinking indicator which refers to bloom taxonomy on C3 (Applied) and C4 (Analysis) level, while cognitive style data obtained from cognitive style test refers to known cognitive style test instrument (MFFT).Data analysis technique of critical thinking ability in non parametric statistical analysis with Mann Whitney test. For analysis of cognitive style data obtained by Matching Familiar Figures Test (MFFT) test. From the results of data analysis, students with reflective cognitive styles have higher critical thinking skills compared to students of impulsive cognitive styles. Based on the result of the research, it can be concluded that the students' critical thinking ability with reflective cognitive style is better than the cognitive impulsive students after through the TPS (Think Pairs Share) learning model combined with the poster media

Produksi Yeast Extract dari Spent Brewer’s Yeast Cuci Ayu Prahara Ardiyanti
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): BIOEDUKASI: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

Spent brewer’s yeasts are a by product of the beer production, containing useful bioactive substances, such as proteins, amino acids, nucleotides, carbohydrates, minerals, and vitamins. Up till now, intact spent brewer’s yeast has been used as a supplement to animal feed. High protein content in spent brewer’s yeast (45-60% in dry weight) makes it good to be produced into yeast extract (YE) as a protein source. YE consists primarily of amino acids, peptides, nucleotides, and other soluble components, that are needed in microbiological media. This study aims to determine the differences between four physical or mechanical treatments (freezing-thawing, homogenization, glass beads, and combination of freezing-thawing and glass beads) in YE production of the cell distruption and protein content, and the quality of YE produced for microbiological media. Measurements of cell count and dissolved protein content were performed to determine the best physical method, while physical, chemical, and biological parameter measurements were performed to determine the quality of YE. The results showed that the best treatment for cell distruption was combination of freezing-thawing and glass beads with percentage of distrupted cell and soluble protein content of 99.5% and 2.779 mg / ml, respectively. YE from spent brewer's yeast contains soluble protein and α-amino nitrogen as much as 3.671 and 1.352 mg / ml, and total nitrogen and crude protein of 2.21 and 13.81 mg / ml, lower compare to commercial YE. Biological testing data YE from spent brewer's yeast has ability to increase cell density (OD) and number of colonies in E. coli, Staphylococcus epidermidis, and Saccharomyces cerevisiae D.01.Further research on the use of spent brewer’s yeast to produce YE using spent brewer’s yeast without steam and glass beads with diameter less than 0.5 mm is necessary to improve the yield and quality of the YE

Teknik Instruksional Pertanyaan di Tahap Presenting Theoretical Background to Class and Discussion about the Issue Pembelajaran Berbasis Proyek untuk Meningkatkan Skor Hierarki Peta Konsep Peserta Didik Akta Wahyu Kumala Dewi; Muzzazinah Muzzazinah; Sri Widoretno
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): BIOEDUKASI: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

The study aimed to calculate hierarchy score on concept map (CM) by applying questions as instructional technique in presenting theoretical background to class and discussion about the issue of project based learning. The subjects were 35 high school students. Research is a classroom action research with research procedure includes: planning for preparing RPP and its completeness, execution on action activity, observation to calculate hierarchy CM score and reflection for next action. Triangulation validation tests include: verification of conformity of CM hierarchy scores and documentation by expert hierarchy of CM and interviews to represent mastery of concept classification. Reduction to select data completeness, data presentation and conclusion based on complete hierarchy data. Data analysis with qualitative descriptive. The results showed hierarchy scores based on expert hierarchy of CM on prasiklus scored below 25.71% on average of total students, while cycle I and cycle II fell to 11.43% and 0%. Above average hierarchy score on prasiklus was obtained at 11.43%, while cycle I went down to 0% and cycle II was obtained 48.57% improvement, thus question as instructional technique in presenting theoretical background to class and discussion about the issue project based learning increasing the hierarchy CM scores both individual and classical

Uji Toleransi Logam Berat Bakteri Hidrokarbonoklastik dan Uji Kemampuan Micrococcus sp. LII61 dalam Menurunkan Kromium (Cr VI), Tembaga (Cu II), Seng (Zn II) Achmad Zainal Abidin; Elga Renjana; Fatimah Fatimah; Ni’matuzahroh Ni’matuzahroh
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): Bioedukasi: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

This research aimed to know: (1) tolerance level of hydrocarbon-degrading bacteria collected from Biology Laboratory of Airlangga University i.e. Acinetobacter sp P2(1) Bacillus subtilis 3KP, Micrococcus sp. LII61, Pseudomonas putida T1(8), at various concentration of heavy metal chromium (Cr6+), copper (Cu2+), zinc (Zn2+), and combination of that three metals; (2) growing ability of selected bacteria in lowering metals concentration; and (3) reduction percentage of metal concentration by selected bacteria. Tolerance test was performed using streak plate method on two types of solid mediums, i.e. Mineral Salt Medium (MSM) agar and Mueller-Hinton Agar (MHA) with a stratified concentration and 72 hours of incubation time. Bacterial growth and metal concentration reduction test were carried out in liquid medium containing single metal or combined metals. Viability of bacteria was calculated using Total Plate Count (TPC) method. Logarithmic of TPC were analyzed statistically using Brown-Forsythe test followed by Games-Howell. The results showed: (1) All bacteria was resistant to either single heavy metal or combined metals on both medium. However, Micrococcus sp. LII61, had the highest tolerance compared to the other three bacteria, which was able to grow at Zn+2 1000 ppm in both medium. Micrococcus sp. LII61, was the selected bacteria to be tested for its ability to reduce heavy metal by single heavy metal and combined metals for 3 and 7 days of incubation time. (2) Ability levels of Micrococcus sp. LII61, to grow in some heavy metals was Zn2+ > Cu2+ > Cr6+ consecutively. (3) Ability levels of Micrococcus sp. LII61, in reducing heavy metals was Cu2+ > Zn2+ > Cr6+ consecutively. Percentage decrease of Cu2+ in single metal was 66.15%, while in combination metals was 54.25% at 3 days incubation. Percentage decrease of Cu2+ after seven day incubation in single metals and combination metals were 90.13% and 74.72% respectively.

Peningkatan Keterampilan Berpikir Kritis dan Karakter Kerjasama Siswa pada Konsep Tumbuhan Melalui LKS Inkuiri Dan Penugasan berbasis Internet di SMA Norhasanah Norhasanah
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): Bioedukasi: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

Welcome to the 21st century, teachers are required to have communication skills, cooperation, critical thinking, and creative, this is important in the process of learning in the classroom. One of the appropriate learning media for students to gain knowledge as widely as possible is through the utilization of internet network. The skills of critical thinking and cooperative skills must be continuously trained to the students. Saai is an internet-based assignment in working on LKS still need to be optimized. Therefore, classroom action research is done to improve critical thinking skills and skills of cooperating students on the concept of plants through LKS inquiry and internet based assignment in SMA. The subjects of the students of class X MIA 3 SMAN 4 Barabai were 25 students. Research conducted two cycles, each cycle is done twice a meeting. Data of critical thinking skills (formulating problems, analyzing data, and making conclusions) were scored using rubric of critical thinking skill and skill of cooperation scored using rubric of skill of cooperation, ie score obtained divided by maximum score and expressed by%. The results showed students' critical thinking skills improved. Cycle I obtained a score of 61.67% with good enough category, while in cycle II obtained a score of 80.83% with good category. Skills define the problem very well, while analyzing data and make conclusions pretty well. Skills in student cooperation also increased, the cycle I obtained a score of 53% with good enough category, while in cycle II obtained a score of 87.50% with very good category

Teknik SCAMPER : Stimulasi Kreativitas Mahasiswa Calon Guru Biologi pada Aktivitas Laboratorium Listika Yusi Risnani
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): BIOEDUKASI: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

This study aims to improve the creativity of pre service biology teacher in laboratory activities. This research type is pre-experiment with population as many as 34 student of semester 1 at Biology Education Study Program of Muhammadiyah University of Purwokerto. The study was conducted in the sixth semester of the 2017/2018 academic year as much as six treatments in the biology practicum course. Instrument of data collection in the form of observation sheet, document, non objective description test instrument. Data were analyzed by using quantitative and qualitative descriptive technique. The results showed that treatment using SCAMPER technique successfully stimulated student creativity with average value of 88,50 (very good) in experimental or experiment design activity, creativity of basic skills with average value of 52 (less), process skills with average values of 71 (good), and investigative skills with an average value of 62 (enough). The conclusion of this research is that SCAMPER technique is effective to stimulate student creativity in designing experiment / practice, process skills, and investigative skills, but still not effective to improve creativity of basic skills in laboratory activities

Kualitas Nata de Apple dengan Perbedaan Varietas Apel (Malus sylvestris Mill) dan Macam Gula Berdasarkan Tebal, Berat dan Kadar Serat Rofiqoh Lailatul Fitriyah; Utami Sri Hastuti; Agung Witjoro
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): Bioedukasi: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

Apple has the most fruit productio at Batu City. There are two apple varieties; Manalagi cherry and Anna, but some apple varieties have low quality (grade D). The reason is because of low price and the consumers is not interesting to buy, so grade D apple decreased. An alternative to apply the grade D apple is by using for nata production with addition three sugar sort, that is cane sugar, palm sugar and siwalan sugar as a food diversification. This study aims to (1) examine the effect of varieties of apples on the quality of nata based on the weight, thickness and fiber content, (2) to examine the effect of three kinds of sugar on the quality of nata based on the weight, thickness and fiber content , (3) to analyze the difference effect of apples varieties and sugars sort that produce the highest quality nata. The results showed that (1) the apples varieties has significant effect on the nata quality based on the nata fiber content, but there is no significant effect of apples varieties on the nata quality based on the thickness and weight of nata. varieties Manalagi cherry variety produces the best nata quality based on the fiber content, (2) The sugar sorts significantly affect to the nata quality based on thickness, weight and nata fiber content. The use of palm sugar produces the best nata quality based on the thickness, weight and fiber content, (3) The interaction of apple varieties and sugars sorts significantly affect to the nata quality based on the thickness, weight and nata fiber content. Manalagi cherry variety with the addition of palm sugar gives the best nata quality based on the thickness, weight and fiber content

Keefektifan Lembar Kerja Siswa pada Konsep-Konsep Biologi Jenjang Madrasah Aliyah (Suatu Penelitian Desain Pendidikan) MUHAMMAD ZAINI
Bioedukasi: Jurnal Pendidikan Biologi Vol 12, No 1 (2019): Bioedukasi: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

Educational design research aims to 1) determine the critical thinking skills of gredeX MIPA MAN Kapuas’ students, 2) explain the improvement of critical thinking skills.The research used Tessmer's formative evaluation design with following steps 1) expert review, 2) one-to-one evaluation, 3) small group evaluation and 4) field test evaluation as the focus of the research.The research was conducted for five months (February-June 2018) at MAN Kapuas Central Kalimantan Province.The research subjects of the student worksheets’ development invertebrata concept are the students of grade X MIPA 2 with 27 students in total. The research subjects in environmental changes concept are the students of grade X MIPA 1 with 30 students in total.The research subjects in ecosystem concept are the students of grade X MIPA 1 with 33 students in total.Data critical thinking skills (defining problems, making hypothesis, collecting data, analyzing data, and making conclusions) are obtained from students' ability to work on students worksheets and scored using the rubric of critical thinking skills which is the scores obtained divided by the maximum score and expressed by%.The result of the research showed that student worksheets is usede effectively based on 1) Critical thinking skills of grade X MIPA MAN Kapuas’students were classified as good category such as defining problem, making hypothesis, collecting data, analyzing data, and making conclusion, 2) There are signs of improvement in critical thinking skill, except the skill of making conclusions

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Contact Name
Alanindra Saputra

Contact Email
alanindra@staff.uns.ac.id

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mramlim@staff.uns.ac.id

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Location
Kota surakarta,

Jawa tengah

INDONESIA