Select the correct option by analyzing the following statements. (a) Aristotle classified plants into herbs, shrubs and trees on the basis of morphology. (b) Two-kingdom classification by Linnaeus was based on the presence or absence of a cell wall. (c) R.H. Whittaker included heterotrophic and chitinous-cell-wall-containing organisms in animals.

Step-by-step solution

Aristotle was the first to attempt a more scientific basis for classification. He used simple morphological characters to classify plants into trees, shrubs and herbs. He also divided animals into two groups; those which had red blood and those that did not. In Linnaeus' time, a two-kingdom system of classification with Plantae and Animalia kingdoms was developed that included all plants and animals, respectively. This system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular