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Write this at the top of page _____ in your INB

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Presentation on theme: "Write this at the top of page _____ in your INB"— Presentation transcript:

1 Write this at the top of page _____ in your INB
The Peppered Moth Write this at the top of page _____ in your INB

2 Common in England 3 Variations: Black, White, Peppered

3 Draw this PUNNETT SQUARE
B W BB Black BW Peppered WW White What type of inheritance is this?

4 Industrial Revolution

5 Case of the Peppered Moth
Pollution killed lichen on trees. Coal soot coated tree trunks, turning them black.

6 Theory of Natural Selection
The dark form is more visible on the light, lichen-covered tree. (b) On trees darkened by pollution, the lighter form is more visible. Variation in the peppered moth. Understanding Physical Anthropology and Archaeology, 9th ed., p. 29

7 But look at them without color vision.

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12 Case of the Peppered Moth
Moth Population 1850 1950 1972 Light Colored 95% 5% 25% Dark Colored 75% Today, about 90% of the population is light colored. Why did the population shift back to pre-Industrial Revolution composition?

13 DARWIN’S THEORY OF EVOLUTION
Get ready to explain, with your hands: DARWIN’S THEORY OF EVOLUTION by NATURAL SELECTION Using the PEPPERED MOTH as your organism


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