Which of the following is $NOT$ included in the criteria for Whittaker's five-kingdom classification system?

Each of the following characteristics represents a Kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of body organization.
$A.$ Multicellular heterotrophs with cell wall made of chitin.
$B.$ Heterotrophs with tissue/organ/organ system level of body organization.
$C.$ Prokaryotes with cell wall made of polysaccharides and amino acids.
$D.$ Eukaryotic autotrophs with tissue/organ level of body organization.
$E.$ Eukaryotes with cellular body organization.

Bacteria and yeast are similar in all the following features except that

Identify the incorrect statement.

Which of the following lacks a cell wall?

The five-kingdom classification system was proposed by whom?