<span>A change in a organism's surroundings that causes the organism to react is called a stimulus</span>
Answer:
Since the gravitational force is directly proportional to the mass of both interacting objects, more massive objects will attract each other with a greater gravitational force. So as the mass of either object increases, the force of gravitational attraction between them also increases.
Fluorine(fluoride) and iodine apply as trace elements in human body
Answer:
the job or role of the organism in a community is its niche
Answer:
dopamine
Explanation:
The main cause of Parkinson's disease is the death of brain cells, especially in the area known as substantia nigra, responsible for the production of dopamine, a neurotransmitter that, among other functions, controls movement. This is a chronic, progressive neurological disease with no known cause that affects the central nervous system and impairs movement. The older the age, the higher the incidence of Parkinson's disease. According to statistics, in the vast majority of patients, it appears from 55, 60 years and its prevalence increases from 70, 75 years.