Question

anything that causes change or activity in an organism is called a *
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○ stimulus
○ adapted
○ energy
○ respond

Explanation:

In biology, a stimulus is defined as anything that causes a change or activity in an organism. The images show a dog's response to food (unconditioned stimulus) and a bell (conditioned stimulus over time), illustrating the concept of stimuli in an organism's behavior.

Answer:

A. stimulus