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A farmer believes that exposing chickens to classical music will cause them to produce more eggs. Describe how the farmer may design a randomized comparative experiment to test this theory.
Cambrian
A geological time period occurring approximately 541 million years ago, notable for the Cambrian Explosion, a significant increase in the diversity of life on Earth.
Oldest Vertebrate Trackways
The earliest known fossilized paths made by the locomotion of vertebrates, providing insights into prehistoric behavior and environments.
Fossil Record
The collection of fossils that has been gathered, providing evidence about the history of life and past environments on Earth.
Fungi Fossils
Remnants or impressions of ancient fungi that have been preserved in the geological record.
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