Question

explain four merits and four demerits of whittaker's classification ​

Answer 1

Explanation:

Thallus, plant body of algae, fungi, and other lower organisms formerly assigned to the obsolete group Thallophyta. A thallus is composed of filaments or plates of cells and ranges in size from a unicellular structure to a complex treelike form.

Answer 2

Answer:

Explanation:

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The advantages of Whittaker's Five Kingdom Classification are as follows:

-- Prokaryotes differ from all other living organisms in their cell structure and cell multiplication; physiological and biochemical processes.

-- Prokaryotes have been placed separately Kingdom Monera whereas Unicellular and multi- cellular organisms are kept separate.

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

-- Autotrophs and heterotrophs are also kept separately based on their mode of nutrition

-- Five kingdom classification is more natural than two kingdom classification and is based on bio composition and mode of nutrition.

The disadvantages of Whittaker's Five Kingdom Classification are as follows:

-- Though Unicellular algae are kept in kingdom Protista, but algae- like multicelluar organisms are in kingdom Plantae. So, thumb rule is that similar organisms must be put together.

-- There is diversity in kingdom Protista and dissimilar organisms should not be placed together.

-- All organisms other than Moneran shows their polyphyletic origin which is a limitation of five kingdom classification.

-- Viruses have no separate space for them.

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