The study of your brain and mental illnesses and understanding how the brain functions.
Answer:
what in the world are you learning
Explanation:
Scientist are still trying to find out it's a theory atleast I think it is
Answer:
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Biologist have cataloged many species that determine the allocation opportunities, food,and other resources,both within and between groups, by competition . species compete for resources available in the ecosystem such food and only the strongest only survive and the weak are disadvantaged in the ecosystem
