Which of the following criteria is included in Whittaker's five-kingdom classification system?

Which classification system was proposed by $R.H. Whittaker$?

The Bentham and Hooker's classification is:

Which classification system of organisms was proposed by $R.H. Whittaker$?

Read the following statements.
$a. 2, 4-D$ is widely used to kill dicotyledonous weeds and does not affect mature monocot plants.
$b.$ Auxin helps to overcome apical dominance.
$c.$ The pigments of euglenoids are identical to those present in higher plants.
$d.$ The cell wall is absent in dinoflagellates.
Select the correct statements -

Heterotrophic organisms can include .......