Printable worksheet ยท 3 of 4
Populations change over generations - Paper 3
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Invented insect-population model on pale bark. Earlier generation: 8 dark and 2 light insects. Later generation: 5 dark and 5 light insects. Model assumptions: colour is inherited and visibility can affect survival and reproduction. Counts describe different generations, not the same individuals changing colour. No live insects are used.
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