The motor neurons is the answer but I'm not sure
Scientists will look for evidence like similar body or skeleton structures, internal similarities or maybe sometimes the whole heirarchy to confirm that two speices are closely related to each other.
For example ; in birds, scientists will look for type of feathers, body structure, beaks to confirm the similarity of two birds.
Vomiting is a common symptom of the stomach flu - it starts a few hours after you're exposed to the virus so there isn't a certain amount of times you will vomit but drinking plenty of fresh, clean water will help you keep hydrated! :)
Answer:
nonnative species
Explanation:
just learned about it on Edge
