Exam revision notes for grade 11 biology. Units covered: microscopy, classification, plant & animal kingdoms, ecosystems, cycles, relationships/symbiosis and environmental change

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BIOLOGY NOTES TERM 1 2003 MICROSCOPY Ocular - lens used for magnification (usually x10) Objectives - lenses used for magnification Lower powerx4 Medium powerx10 High powerx40 Course adjustment - focuses image, moves focus quickly Fine adjustment - focuses image, moves focus slowly Stage - specimens are placed here Condenser - focuses light Iris diaphragm - controls amount of light passing through the specimen TOTAL MAGNIFICATION = OCULAR MAGNIFICATION X OBJECTIVE MAGNIFICATION CLASSIFICATION Taxonomy Kingdom Phylum Class Order Family …

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