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Define and understand the following term: Order - Biology

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प्रश्न

Define and understand the following term:

Order 

व्याख्या
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उत्तर

  1. You have seen earlier that categories like species, genus, and families are based on a number of similar characters.
  2. Generally, order and other higher taxonomic categories are identified based on the aggregates of characters. Order, being a higher category, is the assemblage of families that exhibit a few similar characters.
  3. The similar characters are fewer in number as compared to the different genera included in a family. Plant families like Convolvulaceae, Solanaceae are included in the order Polymoniales, mainly based on their floral characters.
  4. The animal order, Carnivora, includes families like Felidae and Canidae.
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पाठ 1: The Living World - Exercises [पृष्ठ १५]

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एनसीईआरटी Biology [English] Class 11
पाठ 1 The Living World
Exercises | Q 9.4 | पृष्ठ १५

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संबंधित प्रश्‍न

Give some examples of taxa at different hierarchical levels.


Try to collect all the currently accepted meanings for the word ‘species’. Discuss with your teacher the meaning of species in the case of higher plants and animals on one hand and bacteria on the other:


Define and understand the following term:

Genus


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


Find the odd one out. Give reason. 

jellyfish, hydra, sea anemone, butterfly 


______ is a cold blooded animal.


Which of the following is not a criterion for classification of living organisms?


Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate)

Spongilla, Sea anemone, Planaria, Liver fluke Wuchereria, Ascaris, Nereis, Earthworm, Scorpion, Birds, Fishes, Horse.


Label a,b,c and d. given in Fig. 7.1 Give the function of (b)


Paired and jointed legs are seen in phylum ______.


Which is not an insect?


Order is a number of related families having common characters placed in an order.


In the system of classification, which one of the following is NOT a category?


In the taxonomical hierarchy, the category below the level of order is ______.


Genus represents ______.


International Code of Botanical Nomenclature (ICBN) has provided a code for classification of plants. Give hierarchy of units of classification botanists follow while classifying plants and mention different ‘Suffixes’ used for the units.


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 number of shared characters as we go up the taxonomical hierarchy?


Define a taxon.


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