Question

Chad drew a diagram to compare animal cells and bacterial cells.
Which label belongs in the area marked X?
nucleus
DNA
cell wall
ribosomes

Answer 1

Answer:

six kingdoms

When Linnaeus developed his system of classification, there were only two kingdoms, Plants and Animals. But the use of the microscope led to the discovery of new organisms and the identification of differences in cells. A two-kingdom system was no longer useful. Today the system of classification includes six kingdoms