Answer:
A. A low birth to death ratio
Explanation:
If people are dying quicker than they are being born, eventually you would have a very small population size.
Teh second statement, they can harm you but some strains are beneficial
Answer:
The Myelin Sheath allows neurons to speed up the transmission of nerve impulses.
Answer: Biological
Explanation:
Women experience different types of eating disorders as compared to men this shows that the biological factor affects the psychopathology.
There are many different types of the eating disorders. The disorders like anorexia nervosa, bulimia nervosa, rumination are some of the eating disorder which is seen in females.
These disorders are common in females more than male. These factors show that the psychopathology is somewhere related to the biology.