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Exam revision notes for grade 11 biology. Units covered: microscopy, classification, plant & animal kingdoms, ecosystems, cycles, relationships/symbiosis and environmental change
Date Submitted: 03/03/2004 05:57:52
Length: 6 pages (1514 words)
Views: 81211
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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