Answers

2015-07-05T17:30:32+05:30
When we touch an hot or cold object then suddenly our nervous system orders us to withdraw our hands...this process is called responsiveness stimuli..
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2015-07-05T17:37:41+05:30
After detecting a stimulus, organisms must provide a response in order to account for the change. A tropism is a response that an organism makes to a stimulus. An example of a common tropism in plants is phototropism (light response).
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