Parasites are organisms that survive by harming anouther organism (feeding off of it, ex. tick, flea)
The answer you are looking for is called Serotonin. Please put this as the brainiest answer thank you and hope this helped.
Answer:
I think it is white and is looks like powder and is has a strong smell.
Explanation:
If I'm right please give brainliest. sorry if wrong.
