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Missa, Hildegradis
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Library & Information Science

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Diversity Of Gastropod Types In The Intertidal Zone Of Kolbano Beach South Central Timor Regency, East Nusa Tenggara Ndukang, Sardina; Missa, Hildegradis; Djalo, Aloysius
BIOEDUKASI Vol 22 No. 2 (2024)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v22i2.46575

Abstract

Research on gastropods on Kolbano beach, South Central Timor Regency has never been published. The aim of this research was to determine the types of gastropods in the Intertidal Zone of Kolbano Beach, South Central Timor Regency. The samples used in the research were all gastropods located in plots located in the intertidal zone of Kolbano Beach. This research uses a qualitative approach, collecting research data using identification and documentation tables. Data analysis is completed using the Shanon Wienner Diversity Index formula. The results of the research showed that the gastropods successfully identified on Kolbano beach consisted of the species C.maldivus, B). C.flvidus, C). C.clerii, D). V. turbinllus, E). O. floralia, F). F. palidus, G). A.punctulata, H). Murex Blainvilli, I). Crassispira harpularia, J). T. reticulata, K). Plesiotrochus monachus, L). Persicula variabilis, M). C.scabridum, N). Vaceuelus favosus, O). Polinices tumidus, P). C.olidium, Q). M. moneta, R). Trochus maculates. S). Carolliophila solutistoma, T). M. myosotis. The results of the calculation of the diversity index, uniformity index and dominance index reached 2.195, so it can be concluded that the gastropods on Kolbano Beach consist of 16 families, 18 genera and 20 species and are at a medium level of diversity.
Improving Critical Thinking Skills through Discovery Learning: Case Study at SMP Negeri 2 Central Kupang Djalo, Aloysius; Missa, Hildegradis; Ndukang, Sardina
BIOEDUKASI Vol 22 No. 3 (2024)
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v22i3.49138

Abstract

Critical thinking skills, especially in science subjects, are insufficient because teachers only provide direct knowledge to students without giving students the opportunity to actively participate in learning. The aim of this research is to determine the influence of the Discovery Learning model towards the critical thinking skills of grade VII students at SMP Negeri 2 Kupang Tengah. This type of quantitative research uses a quasi experimental method. The research results show that the score of critical thinking skills of the students in experimental classes with an average posttest score of 80.46 higher than the pretest which is 50.04. Meanwhile, in the control class, the average pretest score was 45.21 and the average posttest score was 67.14. The results of the anacova test using the one-way anacova statistical analysis technique (one way-anacova) with the help of SPSS Version 23 obtained a probability value (sig) of 0.000 <from the set significant value of 0.05. Thus the null hypothesis (H 0 ) which states that there is no influence of the Discovery Learning model on students' critical thinking skills is rejected and the alternative hypothesis (Ha) which states that there is an influence of the Discovery Learning model on students' critical thinking skills is accepted. The conclusion of this research is that the Discovery Learning model influences the critical thinking skills of grade VII students at UPTD SMP Negeri 2 Kupang.
Co-Authors Aloysius Djalo Ndukang, Sardina