Question

Merits of 5 kingdom system !!!!!

Answer 1

Answer:

Merits

1. Plants and animals were divided into two not abruptly but based upon specific character.

2. It initiated systematic method to classify the living organisms. More and more characters were later, taken into consideration for development of better methods.

Demerits

1. This system of classification has not dealt upon the status of microorganism in the living world Example- Virus and Bacteria. the reason may be the organisms were not properly known by that time.

2.Certain organisms like slime molds and Euglena have characters similar to plants and animals. Slime molds are tiny plants without cell wall whereas Euglena is minute animals with green pigment system. Their position in the living world was, hence ,uncertain.

3. The position of prokaryotes are completely ignored.

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THE MERITS OF 5 KINGDOM SYSTEM :-

1- Prokaryotes differ from all other living organisms in their cellular structure, physiology, biochemical and reproduction process.Prokaryotes have got a separate place as kingdom Monera in five kingdom classification.

2-Unicellular and multi celluar organisms are kept separate.

3- Fungi are placed in a separate kingdom as their mode of nutrition differs from all other plants.

4- Autotrophs and heterotrophs are placed in separate groups.

5- Five kingdom classification is more natural than two kingdom classification.

6- Five kingdom classification is based on bio composition and mode of nutrition, thus it shows series of evolution.

Answer 2

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Merits of 5 kingdom system :–

• The original two kingdom i.e, kingdom Plantae and kingdom animalia retained while three new kingdom are produced.

• All multicellular photosynthesis organisms include in kingdom Plantae.

• All multicellular hetrotrophic organisms include in kingdom animalia.

• Kingdom protista acts as connecting link between prokaryotes and eukaryote.

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