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CSEC Biology Online Classes (2020-2021)
Section A: Living Organisms and the Environment
Week 1: Classification of Living Organisms and Ecological Study (103:15)
Week 2: Ecological Study (Part 2) (120:02)
Week 3: Soil and Feeding Relationships (130:07)
Week 4: Feeding and Special Relationships (117:36)
Week 5: Nutrient Cycles and Human Activities (125:10)
Week 6: Human Activities & Section A Review (119:37)
Section B: Life Processes and Disease
Week 7: Cell Structure and Functions (119:10)
Week 8: Cell Transport and Investigations (128:59)
Week 9: Plant Nutrition (122:08)
Week 10: Plant Nutrition and Human Nutrition (125:26)
Week 11: Human Nutrition (Food Tests & Digestion) (117:51)
Week 12: Human Nutrition (After Digestion) (62:58)
Week 13: Human Nutrition (Enzymes) (116:44)
Week 14: Respiration And Review (241:20)
TERM II- Week 15: Transport in Humans (121:10)
Week 16: Transport in Humans (cont'd) (125:03)
Week 17: Transport in Humans (cont'd 2) (121:52)
Week 18: Transport in Plants (114:26)
Week 19: Excretion and Homeostasis (121:40)
Week 20: Excretion Review & Movement (1) (120:37)
Week 21: Movement (2) & Irritability (124:38)
Week 22: Irritability (Part 2) (124:00)
Week 23: Irritability (Part 3) (152:44)
Week 24: Growth (133:23)
Week 25: Reproduction in Humans (122:56)
Week 26: Reproduction in Flowering Plants (129:40)
Week 27: Reproduction in Flowering Plants & Disease (61:40)
Week 28: Disease and Section B Review (132:31)
Section C: Continuity and Variation
Week 29: Cell Division (124:39)
Week 30: Inheritance of Characteristics (67:41)
Week 31: Inheritance (2) (124:03)
Week 32: Inheritance, Variation and Species (127:08)
Week 33: Speciation, Selection and Genetic Engineering (65:06)
Multiple Choice Practice (Paper 1)
Week 34: Multiple Choice Questions (156:47)
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Week 4: Feeding and Special Relationships
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