Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal

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Solution

The arrangement of various taxa in an order is called taxonomic hierarchy. The hierarchy indicates the various levels of kinship. The number of similar characters of categories decreases from lowest rank to highest rank. The hierarchical system of classfication was introduced by Linnaeus.

The hierarchy of major categories are:

Species $\to$ Genus $\to$ Family $\to$ Order $\to$ Class

Kingdom - 4 - Phylum or Division

Increasing specificity $\to$ Decreasing specificity

Classification of a plant (Wheat):

Kingdom - Plantae

Division - Angiospermae

Class - Monocotyledonae

Order - Poales

Family - Poaceae

Genus - Triticum

Species - aestivum

Classification of an animal (Housefly):

Kingdom - Animalia

Phylum - Arthropoda

Class - Insecta

Order - Diptera

Family - Muscidae

Genus - Musca

Species - Domestica

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Illustrate the taxonomical hierarchy with suitable examples of a plant and an animal.

Illustrate the taxonomic hierarchy with suitable examples.

Define a taxon. What is meant by taxonomic hierarchy? Give a flow diagram from the lowest to highest category for a plant and an animal. What happens to the number of individuals and numbers of shared characters as we go up the taxonomical hierarchy?

Q. The given flow char represents the hierarchy of various taxonomic categories.
Identify the missing categories(A, B and C) and select the correct statements regarding these.
(i) A is the taxonomic category which contains a number of related genera.
(ii) Examples of category B are Monocotyledoneae, Dicotyledoneae, Mammalia, etc.
(iii) C represents the basic unit of taxonomic hierarchy.
(iv) Examples of category C are Fungi, Monera, Protista, etc.

Q. The taxonomic unit 'phylum' in the classification of animals is equivalent to which hierarchial level in the classification of plants?

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