Answer:
(1). symbiont
Explanation:
The bacterium inside the human intestine is a symbiont and the bacterium-human interaction is a symbiosis of the commensalistic type.
Commensalism is a biological interaction (symbiosis) in which members of one species -in this case the bacterium- gain benefits while those of the other species -in this case the human- neither benefit nor are harmed.
Answer:
pretty sure that health scientists, assuming they understand pharmaceutical actions and reactions, get paid either way & possibly get cheaper h insurance for their expertise.
Explanation:
No, does not affect their work because they get paid to test new drugs on lab rats, chimps, dogs, etc. to see if there is an effect on subjects they give a medical condition to. As unfair as it seems, once lab subjects are tested for years, and they witness if they're theories are justified or not; then they determine a trial run on human test subjects. this process can take up 2 10 years or longer.
Bulimia Nervosa is the disorder where a person will eat excess amounts and then purge.
Rerouting a river would likely affect the surrounding ecosystem and environment. Rivers are a powerful force in nature and effect everything from the shape of the terrain to the life around it.