How Organisms Respond to External Stimuli?

Answer

Organisms respond to external stimuli in a number of ways. One is responding to pain by removing the painful substance causing the pain. When responding to heat an organism will tend to move away from the source of heat. Plants will tend to grow towards the direction of light.
Q&A Related to "How Organisms Respond to External Stimuli?"
Adaption <3 :].
http://wiki.answers.com/Q/Which_of_these_occurs_wh...
organisms respnd by the co ordination of their body parts.lower organisms like plants hav the hormonal system.higher organisms like humans hav the nervous system and the endocrine
http://answers.yahoo.com/question/index?qid=200606...
The autonomic nervous system controls reactions or gages
http://www.chacha.com/question/what-senses-respond...
If youre real good it can happen this way
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