pesticides can be grouped according to
according to age and sex
Vertebrates were once grouped according to their size before modern taxonomy was founded. Even invertebrates.
The Greek physician who grouped personality types according to sanguine, choleric, melancholic, and phlegmatic temperaments was Hippocrates.
where the ruler get and keep their power
Minarols
yes
b. Slaves were mainly classified according to race. They were often grouped based on their skin color and ethnicity, with different treatment and working conditions based on these racial distinctions.
hippocrates
Structural Similarities
This question requires more detail. Slavery began in ancient times, therefore a nation and time period is needed to answer such a question.
I'm not doing your homework for you.
The Greek physician who grouped personality types according to sanguine and melancholic temperaments was Hippocrates. He believed that an individual's temperament was determined by the balance of bodily fluids, known as humors, in the body.