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Journal : bionature

Strategi Pembelajaran Reading Questioning and Answering (RQA) pada Perkuliahan Fisiologi Hewan untuk Meningkatkan Hasil Belajar Kognitif Mahasiswa Bahri, Arsad
bionature Vol 17, No 2 (2016): Oktober
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (443.859 KB) | DOI: 10.35580/bionature.v17i2.2840

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh strategi pembelajaran, kemampuan akademik, dan interaksi keduanya terhadap hasil belajar kognitif mahasiswa pada perkuliahan Fisiologi Hewan di Jurusan Biologi FMIPA UNM. Penelitian ini adalah quasi eksperimen, yaitu dua sampel diberi perlakuan strategi pembelajaran berbeda yakni strategi Reading Questioning, and Answering (RQA) dan multistrategi dengan mempertimbangkan kemampuan akademik awal mahasiswa. Pengumpulan data hasil belajar kognitif dilakukan dengan menggunakan tes uraian. Hasil penelitian menunjukkan bahwa: (1) ada pengaruh strategi pembelajaran terhadap hasil belajar kognitif mahasiswa. Hasil belajar kognitif mahasiswa yang diajar dengan RQA 12,57% lebih tinggi dibandingkan dengan multistrategi; (2) ada pengaruh kemampuan akademik terhadap hasil belajar kognitif mahasiswa. Hasil belajar kognitif mahasiswa berkemampuan akademik atas 18,01% lebih tinggi dibandingkan dengan mahasiswa berkemampuan akademik bawah. (3) ada pengaruh interaksi antara strategi pembelajaran dengan kemampuan akademik terhadap hasil belajar kognitif mahasiswa. Skor hasil belajar kognitif tertinggi pada kombinasi RQA dan kemampuan akademik atas. Berdasarkan hasil penelitian, disarankan agar pengajar mengimplementasikan strategi pembelajaran RQA pada perkuliahan yang lain dan mempertimbangkan aspek kemampuan akademik dalam pemilihan strategi pembelajaran. Kata kunci: Reading Questioning Answering, Hasil Belajar Kognitif, dan Strategi Pembelajaran
Pengaruh Pendekatan Inquiry dan Discovery Terhadap Hasil Belajar Biologi Siswa Kelas XI SMA Negeri 1 Walenrang Arsad, Bahri; Syamsiah, .; Raya, Agni
bionature Vol 12, No 2 (2011): Oktober
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (311.611 KB) | DOI: 10.35580/bionature.v12i2.1404

Abstract

This research aims to find out the influence of inquiry and discovery approach toward the biology-learning outcome at grade XI students in SMA Negeri 1 Walenrang. This research was quasy experiment with Posttest Only, Non-Equivqlent Control Group Design. This research was done in SMA Negeri 1 Walenrang by taking two classes as research subjects. They were XI IPA3 as experimen group with 39 students who were tought through inquiry and discovery and XI IPA2­ with 40 students as control group who were tought through expository aproach. The data of the researh was found by giving result test after all the material had been tought. The data was analyzed showed that the result of experiment group was good categorized with average 77,26 were as result of control group was wortcing on categorized with average 71,17. Based on the test by using test data analysis t where P<0,05 so that Ho rejected and H1 was accepted. It showed that there was influence of inquiry and discovery learning approach toward the biology learning outcome at grade XI students in SMA Negeri 1 Walenrang.
Analisis Motivasi Berprestasi Siswa SMAN 8 Makassar dalam Belajar Biologi A. Mushawwir, Taiyeb; Arsad, Bahri; Rezky Batari, Razak
bionature Vol 13, No 2 (2012): Oktober
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (329.563 KB) | DOI: 10.35580/bionature.v13i2.1430

Abstract

Penelitian ini merupakan penelitian deskriptif yang bertujuan untuk mendapatkan gambaran tentang motivasi berprestasi siswa untuk belajar Biologi di Kelas XI IPA SMA Negeri 8 Makassar. Sample penelitian ini adalah siswa Kelas XI IPA 3 dan  XI IPA 4 SMA 8 Makassar semester genap tahun ajaran 2011/2012 yang berjumlah 80 orang yang diperoleh dengan menggunakan teknik simple random sampling. Data yang diperoleh dari instrument penelitian merupakan angket model rating scale dengan rentang nilai 1-5 untuk mengukur nilai motivasi berprestasi siswa. Data yang telah diperoleh selanjutnya dianalisis dengan menggunakan teknik analisis deskriptif. Hasil penelitian menunjukkan rata-rata nilai motivasi berprestasi siswa untuk belajar biologi sebesar 124.44 (tinggi) berdasarkan skala kategori motivasi berprestasi.
PENGARUH FITOSTEROL TUMBUHAN LAMUN ( ENHALUS ACOROIDES) TERHADAP FERTILITAS MENCIT (MUS MUSCULUS) ICR JANTAN St. Fatmah, Hiola; Adnan, .; Arsad, Bahri
bionature Vol 11, No 1 (2010): April
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (125.961 KB) | DOI: 10.35580/bionature.v11i1.1368

Abstract

In Indonesia, the high growth of population is special problem.  Because of that, the government had to done something to holding the rate population problem, that one of them is Planning Family (KB) in national program.  Increased of rate acceptor KB can give effect to contraception logistic crisis, so it can be decreased logistic supply.  By the way, the development of contraception from plant is one of alternative that can do it. Indonesia is tropical country that have richness flora.  More than 940 species that has planting and used be herbal medicine or traditional medicine and from 75th family are more than 225th plant species that used be contraception material.  One of them is sea grass (Enhalus acoroides) because it?s contained steroid, that?s can be isolated from all of body plant, like roots, rhizome, and leaf.  Fitosterol on leaf sea grass is very potential that it had to explore in biology aspect.  It?s very important in supply steroid, to be contraception material and or medicine. This research aimed to knows the influence fitosterol of sea grass (Enhalus acoroides) to fertility of Mencit (Mus musculus) male ICR.  There are four experiments (A0= control : just give it to mencit is suspension of fitosterol sea grass and A1, A2, A3 : give it to mencit  is dose of fitosterol sea grass with each experiment are 25, 50 and 75 mg/kg per mencit).  Rate of mencit in experiment are 60 mencit. The parameter of research are heavy of testis, epididimis and vesikula seminalis, rate and sperm mortality, and so conception from male mencit. Based on the results of that research has been done shows that the fitosterol of sea grass is making influence to mencit, like increasing of heavy of testis, epididimis and vesikula seminalis, and mortality of mencit.  But it can decrease of sperm rate and conception of mencit.  It?s meaning that the higher dose of fitosterol can make lower of result.
Uji Toksisitas Ekstrak Daun Ketepeng Cina (Cassia alata L.) pada Keong Mas (Pomacea canaliculata L.) St. Fatmah, Hiola; Arsad, Bahri
bionature Vol 11, No 2 (2010): Oktober
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (377.882 KB) | DOI: 10.35580/bionature.v11i2.1387

Abstract

This experimental study aimed to analyze the toxicity of the Cassia alata L. leaves extract in Pomacea canaliculata L with the concentration of the extract as independent variable and the mortality of Pomacea as the dependent one. There were two steps in this study: introductory test and main test. Both of them were done to examine LC50 (lethal concentrate) and LT50 (lethal time) using the number of mortality and its velocity during 48 hour observation. Based on the introductory study, we chose concentrate of 2,5 %; 3%; 3,5%; 4%; and 4;5% of the leaves extract for the treatment groups. Control group were not given any extract. Every group of treatment consisted of 50 Pomacea and each treatment was done 5 times so that there were 1500 Pomacea used in this study. Probit analysis was used for this study result. I then be sown that Cassia alata L. leaves extract could cause mortality of Pomacea canaliculata L which occured from 4 hour after the start of the study. The LC50 was 4,290% of leaves extract after 16 hours after the application with regression  slope Y = 2,456 + 4,561X, and the LT50 was 29,834% with Y = 0,047 + 1,976X.
Bioetanol Nira Lontar: Green Energy Alternatif Masa Depan Ramly, Zakia Asrifah; Akbar, Muhammad; Ihsan, Muhammad Ikhbar; Bahri, Arsad
bionature Vol 21, No 1 (2020): April
Publisher : Fakultas MIPA UNM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/bionature.v21i1.15478

Abstract

Abstrak. Meningkatnya  jumlah   penduduk  dunia  akan  membuat  kebutuhan  energi negara-negara  di dunia  meningkat  termasuk  Indonesia.  Ketersediaan  minyak  bumi  Indonesia  semakin  menipis sehingga untuk memenuhi kebutuhan minyak dalam negeri. Indonesia harus import  minyak dari negara  lain. Hal  ini  perlu  adanya  energi  baru  dan  terbarukan  yang  mampu  memenuhi kebutuhan  energi  dalam negeri.  Salah  satu  energi  baru  tersebut  yaitu  bioetanol.  Bioetanol merupakan  penyebutan  alkohol  atau  etanol  yang  bersumber  dari  bahan  hayati,  salah  satunya adalah  nira  siwalan.  Artikel ini memberikan ulasan tentang bahan bakar alternatif dari fermentasi nira lontar. Penelitian ini menggunakan metode pendekatan data sekunder sebagai sumber datanya. Adapun hasil dari telaah pustaka yang dilakukan menunjukkan bahwa, tingginya kandungan gula pada nira lontar yang berkisar antara 10-30% menjadikannya potensial untuk dikembangkan menjadi bioetanol. Namun, studi lebih lanjut harus dilakukan untuk menentukan efektivitas dan efisiensi penggunaan bahan bakar dari nira lontar pada mesin-mesin kendaraan.Kata Kunci: Bioetanol, Nira Lontar, Bahan Bakar Alternatif, Energi Terbarukan 
Co-Authors A. Farhanah A. Irma Suryani A. Mu'nisa, A. Mu'nisa A. Mushawwir Taiyeb Abd Muis Abdul Qalam Muntaha3 Abrar, Ahamad Adnan Adnan Adnan Adnan Afni, Andi Nur Agista Aprilian Pailang Agustina, Lady Ahmad Abrar Ainun, Nur Aisyah Ainurridho, Muhammad Ajeng Klarica Todingan Akbar, Fauzan Ali Usman, Ali Ali, Sutrisno Nurhadi Aloysius Duran Corebima Amalia, Huznul Amelia, Ermy Andi Asmawati Azis Andi Faridah Arsal Andi Suliana Andi W. Fajriansyah Al-Ghifari Anita Puspita Ariaty B, Eka Arifah Novia Arifin, Arifah Novia Arifin, Arifah Novia Arifuddin, Muh Arifuddin, Muh. Arma Arna Ningsih Asham Bin Jamaluddin Asse, Nahirah Atirah Mulia Atirah, Nur Cahyana, Uki Deny Romadhon Badaring Dian Ramadhani Dinar, Sri Putri Dwiyanti. H., Ulfa Auliah Faisal Faisal Faisal Faisal Faisal Farid, Andi Miftah FERAWATI, ANDI Firdaus Daud Gufran D. Dirawan Gufran D. Dirawan, Gufran D. Hajar Dewantara Hamdillah, Andi Hardianto Hardianto Hartono Hartono Hasja, Aulia Diar Hasmunarti, Hasmunarti Hilda Karim Hiola, Siti Fatmah Humaerah, Rahmil Ida Ayu Putu Sri Widnyani Idris, Irma Suryani Idris, Irma Suryani Ihsan, Muhammad Ikhbar Ika Sri Wahyuni Irma Suryani Idris Irnayanti Bahar Islamiah, Mutmainna Nur Ismail Ismail Ismirawati Ismirawati Isnaeni Thahir Iwan Suhardi Jabal Rahmat Ashar Jaelani, Nurkhafifah Junda, Muh. Kadir, Jusmarini Kurnianti, Pelasari Lembang, Angela Merici Lestari, Dian Dwi M, Wahyu Hidayat Mardia HM, Ainun Masdar, Rinaldi Masni Masni Mila Karmila Mohamad Amin Muarifah, Muarifah Muh Jibran Nidhal Fikri Muh. Arifuddin Muh. Fiqriansyah Wahab Muh. Raehan Fahreza Pasaribu Muh. Raehand Fahreza Pasaribu Muhammad Anwar Cece Muhammad Arsyad Muhammad Fiqriansyah Wahab Muhammad Ikhbar Ihsan Muhammad Isrul Muhammad Isrul Muhammad Jufri Muhiddin Palennari Muliana GH Musmuliadi, Nurazizah Mustaqim Mustaqim N. Nurhayati Nahirah, Nahirah Nani Kurnia, Nani Nasution, Annio Indah Lestari NIA FEBRIANTI, NIA Nur Aisyah Ainun Nur Fadillah Amin Nur Hayati Nurdin, Rizky Aprilliani Nurhayati B Nurjannah H. Samsidi Patongai, Dian Dwi Putri Ulan Sari Pratiwi, Andi Citra Pratiwi, Sakina Amaliah Putriana, Devi R. Rusni Rahmawati Rahmawati Latif Rahmil Humaerah Ramli, Mauliadi Ramly, Zakia Asrifah Raya Agni Razak Rezky Batari, Razak Riangkaryaman Riangkaryaman Ristiana, Evi Rosdiana Ngitung Rosyadi, Imran RR. Ella Evrita Hestiandari S. Suherah Sahribulan Sahribulan Saleh, Andi Rahmat Saparuddin Saparuddin Saparuddin Saparuddin Sapto Haryoko Saude, Sandi Siti Zubaidah St. Fatmah Hiola St. Hajar Hasbi Sultan Sultan Sura, Yoel Suradi Tahmir, Suradi Susiati, Asih Luklu Suwahru, Annisa Syalsa Aulia Putri Syamsiah, Syamsiah Tahmir, Suradi Taiyeb A. Mushawwir Tonji, Aswarini Tsalis Kurniawan Husain Usman Mulbar Vani Amaliah Abu Wahyu Hidayat M Wahyu idayat Wulandari R, Wulandari R Wungubelen, Alexander Lado Yogi Saputra Yusminah Hala Yusnaeni Yusuf Yusuf, Andi Yuni Kurnia Zamzam, Sitti