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Discuss the Evolution of Birds as It Is Currently Understood

question 21

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Discuss the evolution of birds as it is currently understood.Why would some theropod dinosaurs have feathers? Did feathers evolve just once? Did feathers evolve specifically for flight? Is Archaeopteryx really a bird?


Definitions:

Learned Response

A reaction or behavior that is developed as a result of experience or conditioning.

Stimulus Generalization

The process by which a conditioned response is triggered by stimuli that are similar to the original conditioned stimulus.

Learned Response

A reaction or behavior that results from repeated exposure, practice, or conditioning, rather than being an inborn or instinctual response.

Vicarious Learning

Learning that occurs by observing the behaviors and outcomes of others rather than through direct experience.

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