True. diphallia is a rare condition where a male has two functioning phallic organs, and it can help (if you know what i mean) sorry this was only example i could think of
The light would be best described as AN UNCONDITIONED STIMULUS.
An unconditioned stimulus refers to any stimulus which naturally evokes a response from the affected person. The response that is evoked is termed unconditioned response. In the question given above, the light is the unconditioned stimulus while the blinking is the unconditioned response.<span />
Tadpoles use GILLS to obtain oxygen
One million nine hundred eighty-nine thousand
Hope this helped