The graph shows the change in a moth population over time. Dark moths increased after industrial pollution darkened tree bark. This is an example of:
AArtificial selection
BNatural selection
CGenetic engineering
DSpontaneous generation
Explanation
📌 This is the classic peppered moth example of natural selection. Before pollution: light bark → light moths camouflaged → survived After pollution: dark bark → dark moths camouflaged → survived The environment selected for the trait that provided camouflage.
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