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The answer is Observation. That's the first step.
Answer:
63 MYA
Explanation:
Morris Goodman was a editor-in-chief of the journal Molecular Phylogenetics and Evolution.
In his classification, every organism was traced back to its last common ancestors, and he traced that of primates last common ancestors to be dated as far back as 63 MYA.
A. It is a disease of people
The opposite of an echosystem is Chaos pollution and exosytem