Researchers condition a flatworm to contract its body to a light by repeatedly pairing the light with electric shock. The stage in which the flatworm's contraction response to light is established and gradually strengthened is called

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The stage in which the flatworm's contraction response to light is established and gradually strengthened is called acquisition. It refers to the initial stage of learning when an organism starts to associate a specific behavior with a certain stimulus. In this case, the flatworm learns to associate the light with the electric shock and gradually strengthens its contraction response.

Researchers Condition a Flatworm to Contract Its Body to a Light