[Q]: A research scientist repeatedly observes a bird avoiding a specific butterfly species even though it eats other types of butterflies. Which statement most likely explains the behavior of the bird?
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[A]: The behavior is learned over the lifetime of the bird.

[Q]: Which statement correctly describes a relationship between the distance from Earth and a characteristic of a star?
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[A]: As the distance from Earth to the star decreases, its apparent brightness increases.

[Q]: Which occurs as a result of Earth's tilt on its rotating axis?
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[A]:
seasonal changes in the climate