Who was the first person to attempt to classify the living organisms on earth ?

Aristotle  (Greek philosopher)

Explanation:

Organisms were first classified more than 2000 years ago by the Greek philosopher, Aristotle. 1. Aristotle first sorted organisms into two groups – plants and animals. Aristotle developed the first system of classification of animals. He based his classification system off of observations of animals, and used physical characteristics to divide animals into two groups, and then into five genera per group, and then into species within each genus.

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answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

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