
Both Chlamydomonas and Chlorella are autotrophic and both have a cell wall, whereas both Paramoecium and Amoeba are heterotrophic and both lack cell wall, then why did R.H. Whittaker place all of them under the same kingdom?

Important Questions on Biological Classification
(i) Coelomates Aschelminthes
(ii) Triploblastic Sponges
(iii) Radial symmetry Coelenterates
(iv) Metamerism Molluscs









Column I | Column II |
A. Monera | 1. Dinoflagellates |
B. Protista | 2. Horsetails |
C. Fungi | 3. Bacteria |
D. Plantae | 4. Sponges |
E. Animalia | 5. Mushrooms |










The non-nucleated, unicellular organisms of Whittaker’s classification are included in the kingdom
