Squeaks and Jessi have a story to tell you about the peppered moth, a special insect that taught us a lot about a process called natural selection.
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SOURCES:
animals.howstuffworks.com/animal-facts/animal-camouflage.htm
askabiologist.asu.edu/peppered-moth
www.britannica.com/animal/peppered-moth
www.britannica.com/event/Industrial-Revolution
www.britannica.com/science/lichen
www.britannica.com/science/natural-selection
www.britishmuseum.org/research/publications/online_research_catalogues