Biology, classification

Question 1

why are bacteria and amoebae placed in different kingdoms.

Answer 1

Amoebae has a nucleus and bacteria doesn’t.

Question 2

Why are animals and plants separated into different kingdoms?

Answer 2

Animals cells do not contain cell walls and plants do contain cell walls.

Question 3

why do scientists do not classify viruses in any of the five kingdoms?

Answer 3

viruses are not a living process or not a living thing.