Biology Upper Secondary Teacher Guide - Department of Education
Biology Upper Secondary Teacher Guide - Department of Education
Biology Upper Secondary Teacher Guide - Department of Education
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<strong>Biology</strong>Use dichotomouskeys to classifyunknown organismsDivide students into groups. Allocate 3–4 unnamed pictures orspecimens <strong>of</strong> organisms. Use simple dichotomous keys developedby teacher to identify kingdom, phylum and class. Students can alsoresearch order, family, genus and species for each organismSuggested assessment taskAn experiment on preparing wet mounts <strong>of</strong> cheek and onion cells andobserve under the microscope.20 marksAssessment criteriaStudents will be assessed on the extent to which they can:• prepare wet mounts (cheek and onion cells)• manipulate the microscope• calculate magnifications and size <strong>of</strong> specimens• observe and present• produce a written laboratory report (introduction, aim, material, method,result, discussion and conclusion).Marking guide11.1: Undertake experiment on wet mounts and present laboratoryreport20 marksPerformanceCriteriaVery HighAchievement(18–20 marks)HighAchievement(14–17marks)SatisfactoryAchievement(10–13 marks)Low Achievement(0–9 marks)Appropriate title(2 marks)Suitable aim(2 marks)Correctly andclearly state therequired title (2)Aims clearly andcorrectly written(2)Clearly state the title (1-2) Inappropriate title (0-1)Aims clearly stated (1-2) Irrelevant aims (0-1)Logicalprocedures(6 marks)Correctproceduresfollowed andequipment used(6)Proceduresfollowed andappropriateequipment used(4-6)Procedures andthe use <strong>of</strong>equipmentreasonablyfollowed (1-4)Inconsistentprocedures and use<strong>of</strong> equipment (0-1)Detailedanalysis andexplanation(6 marks)Scientific analysiswith detailedexplanation andlogicalpresentation (6)Good analysisand explanation(5)Fair analysis andexplanation(3-4)Poor analysis withminimum explanation(0-2)Appropriateconclusion(4 marks)Scientific andreliable conclusion(4)Reliable and wellwrittenconclusion (3)Conclusionappropriate (2)InappropriateconclusionLacks scientificunderstanding (0-1)26