Question

What is Taxonomy and taxonomic keys?
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Answer 1

Answer:

Taxonomy is a science that deals with naming, describing and classification of all living organisms including plants. Classification is based on behavioural, genetic and biochemical variations. Characterization, identification, and classification are the processes of taxonomy. Organisms are classified into similar categories namely kingdom, phylum, class, order, family, genus and species.

A taxonomic key is designed in a way that it starts with observing large and important features which are able to divide organisms into few large groups. The couplets that divide the groups into various smaller subgroups and use every little detail to help the user.

Answer 2

Answer:

Taxonomy

Taxonomy is the branch of biology that identifies organisms, classifies them on the basis of similarities and differences and names them scientifically for the purpose of classification, the characteristic features

of organisms, their external and internal features, genetic constitution, evolutionary relationships etc., are to be thoroughly studied This study reveals the relation between various groups of organisms. It also enables us to acquire a general idea about the plants and animals of various geographical areas. Moreover, taxonomy provides evidences that are helpful to explain the stages of evolution of organisms from the simple to the complex.

Taxonomic Keys

Taxonomic keys are the scientific indicators used for identifying and classifying plants and animals. One of the most important taxonomic keys is the dichotomous key.

Each indicator in this key has two possibilities of selection. By choosing the peculiarities of the organism to be identified and by proceeding systematically one can identify and classify the organism. Illustration 9.1 is a dichotomous key. The taxonomic keys are continuously revised by including peculiarities of newly identified organisms.

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