Question

state any five objectives of classigication​

Answer 1

i haven't written it

i found it from somewhere else

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Answer 2

Types of Biological Classification:

There are three main types of classification-artifical, natural and phylogenetic:

Artificial System of Classification:

It is a system of classification which uses one or two morphological character for grouping of organisms. Some artificial system have used habot and habitat for this purpose. Aristotle (c 350 BC) divided animals into two categories, enaima (with red blood) and anaima (without red blood). Aristotle also classified animals on the basis of their habitat- aquatic (e.g, fish, whale), terrestrial (e.g, reptiles, cattle) and aerial (e.g. birds, bat). Pliny the Elder (23-79 A.D.) used artificial system of classification for both plants and animals dividing them into land, air and water. Pliny distinguished animals into flight band nonflight ones. Flight animals included bats, birds and insects.

Natural System of Classification:

It is a system ofclassification which takes into consideration comparable study of a number of characters so as to bring out nature similarities and dissimilarities and hence nature relationship among the organisms. The system employs those characters which are relatively constant. They include morphological characters, anatomical characters, cytological characters, physiology, ontogeny or development, reproduction, cytochemistry and biochemistry, experimental taxonomy, etc. the characteristics are helpful in bringing out maximum numberof similarities in a group and comparable differences with other group of organisms. For example, mammals are charactriesed by the presence of mammae, birds possess wings, feathers, pneumatic bones. They are coldblooded.

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