Question

What is two kingdom classification? Write its demerits.

Answer 1

Two kingdom classification:

1. The two-kingdom classification was proposed by Carolus Linnaeus.
2. He categorized and classified living organisms on the basis of nutrition and mobility.
3. The living organisms were classified into Kingdom Plantae and Kingdom Animalia.

Demerits of two-kingdom classification:

1. Fungi, which feed on dead organic matter, were placed under photosynthetic plants.
2. There was another class of classification needed where the organisms with the same characteristics were clubbed into one kingdom.
3. This system did not distinguish between the eukaryotes and prokaryotes, unicellular and multicellular organisms, and photosynthetic and non-photosynthetic (fungi) organisms.
4. There are some organisms that neither fall into the plant nor animal kingdom like Lichens.