In a mutualistic relationship, both species benefit.
Predation is when a predator eats another organism, in which the predator benefits and the other organism dies.
In parasitism the parasite benefits while the host is harmed.
In competition, neither species benefits because they're too busy fighting over resources.
Commensalism is when only one of the two species benefits but the other is not harmed.
Drugs<span> are chemicals that </span>affect<span> the brain by tapping into its communication system and interfering with the way neurons normally send, receive, and process information. Some </span>drugs<span>, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter.
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<span>Statistical measures of change in an economy are called:
</span>D. stocks
Dirt inside the moist earth
Answer:
country b will have high level of poverty
