Dopamine is a type of “feel good” chemical that your brain releases when you do something that makes you feel good. Your brain craves dopamine and it can be addictive, so that’s why people have “pleasure seeking behaviors.”
Yes,each bird had a different beak for different types of nuts or foods that they would eat.
The virus that infect bacteria are called bacteriophage ! Hope this helps! :)
Answer:
a strand of conducting vessels in the stem or leaves of a plant, typically with pholem on the outside and xylem on the inside.