The movement in response to changes in the environment is a protective mechanism for living organisms. For instance, when exposed to bright light or touching a hot object, organisms detect the change and respond with movement to safeguard themselves from potential harm.
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The paragraph suggests that movement in living organisms is associated with protection as a response to changes in the environment. The examples given include instances where organisms move to safeguard themselves:
1. Bright light on eyes: When bright light is focused on our eyes, organisms detect the change and respond with movement. This movement could involve blinking or turning away, serving as a protective mechanism to shield the eyes from excessive light.
2. Touching a hot object: Similarly, when organisms touch a hot object, they detect the change in temperature and respond with movement. This movement, like pulling away from the hot object, is a protective reflex to avoid injury or burns.
In both cases, the movement is a rapid and instinctive response to external stimuli, aiming to protect the organism from potential harm or discomfort in its environment.