‘entomon' and `logos'; ‘entomon’

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One Plant, Many Pests

(General Characteristics: Classification with diagnostic features; evolution of Insects (Phylogeny); Characteristics of Insects, arachnida; crustacea & their relatives; importance of insects, spiders, mites in agriculture)
Before we going to know something about Arthropoda we should have to regarding to terminology, i.e. FLORA & FAUNA
FLORA is the collective plant life that grows or which has once grew in a certain area or during a given period of time. Usually it is referred as the native plant life present but it also include new species that have been introduced as well. The study of Flora is very interesting  as the classification of plants can be done in number of ways.
FAUNA is the name given to the collective animal life that lives or once found in a certain area or time period. Classification of Fauna can also be done in many different ways. the classification of Fauna is more complex than Floral because animal life has evolved into many different forms.

Animal Kingdom Classification System:
There are many different types of animals which are similar and different to each other in many aspects. Members of a particular group of animal share a particular characteristic that is common to all the members of the group. This is the feature that defines the group.
The orderly form of classification of animals is called Taxonomy. Modern taxonomy is based on physical characteristics and genetic characteristics.  Systematics is the field of study that focuses on evolutionary relationships between living organisms.

Carlous Linnaeus (1707-1778), a Swedish botanist was the inventor of

modern scientific classification. He designed his system of classification so that each animal and plant had the only one name and this name would not be shared with any other organism. 

The system put each living thing into seven groups or taxons. These categories in the hierarchical system are from higher and most inclusive to lower to more specific are kingdom, phylum, class, order, family, genus and species

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