Answer:
Every infectious disease is caused by one of several types of small, microscopic organisms called pathogens.
Most pathogens are parasites- organisms that live in or on another organism and derive nourishment from it.
Answer:
A polygenic trait.
Explanation:
A polygenic trait is where multiple different genes control a single trait. (Example: Eye color)
Answer:
I suggests that genetics, abuse and other factors contribute to the development of obsessive-compulsive, narcissistic or other personality disorders. some believed that people with personality disorders were just lazy or even evil.
But at the same time this is just a thought
