Respond+to+stimuli+HN

All living things respond to // stimuli //. A stimulus (plural stimuli) is a // detectable change // in the environment. It is the thing that provokes a // response //. This means that all living things react to changes around them. For example, if a human hears a loud, unexpected noise, they jump. The // noise // was the stimulus and the response was the jump.
 * __ Stimulus __**

Plants also // react // to stimuli though it is not as obvious as animals. Plants grow towards sunlight and follows it- it is responding to the stimulus of the sunlight.
 * __ Plants __**

Other forms of // reaction to stimulas // is when an earthworms burrows into the moss when it senses the light or when an animals' hearts beats faster when they are frightened or scared. Migration to another place is also a respond to stimuli because animals // move // according to the weather or climate conditions. Though it may seem funny, crying too is a form of response. The stimulus would be the pain and the response would be the crying.
 * __ Animals __**

o Stimuli / stimulus (plural) o Response o Reacts o Changes
 * __ Important vocabulary __**

Some helpful cites about responding to changes:
 * __ Helpful cites __**
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 * __ Pictures __**